Add Saml auth provider

backend/src/baserow/api/app_auth_providers/serializers.py

@@ -7,6 +7,7 @@ from rest_framework import serializers
 from baserow.api.polymorphic import PolymorphicSerializer
 from baserow.core.app_auth_providers.models import AppAuthProvider
 from baserow.core.app_auth_providers.registries import app_auth_provider_type_registry
+from baserow.core.auth_provider.validators import validate_domain
 
 
 class AppAuthProviderSerializer(serializers.ModelSerializer):
@@ -46,6 +47,13 @@ class BaseAppAuthProviderSerializer(serializers.ModelSerializer):
         help_text="The type of the app_auth_provider.",
     )
 
+    domain = serializers.CharField(
+        validators=[validate_domain],
+        required=False,
+        allow_null=True,
+        help_text=AppAuthProvider._meta.get_field("domain").help_text,
+    )
+
     class Meta:
         model = AppAuthProvider
         fields = ("type", "user_source_id", "domain")

backend/src/baserow/api/auth_provider/serializers.py

@@ -3,12 +3,19 @@ from drf_spectacular.utils import extend_schema_field
 from rest_framework import serializers
 
 from baserow.core.auth_provider.models import AuthProviderModel
+from baserow.core.auth_provider.validators import validate_domain
 from baserow.core.registries import auth_provider_type_registry
 
 
 class AuthProviderSerializer(serializers.ModelSerializer):
     type = serializers.SerializerMethodField(help_text="The type of the related field.")
 
+    domain = serializers.CharField(
+        validators=[validate_domain],
+        required=True,
+        help_text=AuthProviderModel._meta.get_field("domain").help_text,
+    )
+
     class Meta:
         model = AuthProviderModel
         fields = ("id", "type", "domain", "enabled")

backend/src/baserow/api/polymorphic.py

@@ -104,6 +104,7 @@ class PolymorphicSerializer(serializers.Serializer):
             base_class=self.base_class,
             request=self.request,
             context=self.context,
+            extra_params=self.extra_params,
         )
 
         ret = serializer.to_representation(instance)
@@ -122,6 +123,7 @@ class PolymorphicSerializer(serializers.Serializer):
             base_class=self.base_class,
             request=self.request,
             context=self.context,
+            extra_params=self.extra_params,
         )
 
         return serializer.to_internal_value(data)
@@ -134,6 +136,7 @@ class PolymorphicSerializer(serializers.Serializer):
             base_class=self.base_class,
             request=self.request,
             context=self.context,
+            extra_params=self.extra_params,
         )
 
         return serializer.create(validated_data)
@@ -150,6 +153,7 @@ class PolymorphicSerializer(serializers.Serializer):
             base_class=self.base_class,
             request=self.request,
             context=self.context,
+            extra_params=self.extra_params,
         )
 
         return serializer.update(instance, validated_data)
@@ -170,6 +174,7 @@ class PolymorphicSerializer(serializers.Serializer):
                 context=self.context,
                 data=self.data,
                 partial=self.partial,
+                extra_params=self.extra_params,
             )
         except serializers.ValidationError:
             child_valid = False
@@ -194,6 +199,7 @@ class PolymorphicSerializer(serializers.Serializer):
             request=self.request,
             context=self.context,
             partial=self.partial,
+            extra_params=self.extra_params,
         )
 
         validated_data = serializer.run_validation(data)

backend/src/baserow/api/urls.py

@@ -2,7 +2,11 @@ from django.urls import include, path
 
 from drf_spectacular.views import SpectacularRedocView
 
-from baserow.core.registries import application_type_registry, plugin_registry
+from baserow.core.registries import (
+    application_type_registry,
+    auth_provider_type_registry,
+    plugin_registry,
+)
 
 from .applications import urls as application_urls
 from .auth_provider import urls as auth_provider_urls
@@ -53,5 +57,6 @@ urlpatterns = (
         ),
     ]
     + application_type_registry.api_urls
+    + auth_provider_type_registry.api_urls
     + plugin_registry.api_urls
 )

backend/src/baserow/api/user_sources/authentication.py

@@ -3,6 +3,7 @@ from typing import Optional, Tuple, TypeVar
 from django.conf import settings
 from django.contrib.auth.models import AbstractBaseUser, AnonymousUser
 
+from drf_spectacular.extensions import OpenApiAuthenticationExtension
 from rest_framework import HTTP_HEADER_ENCODING, exceptions
 from rest_framework.request import Request
 from rest_framework_simplejwt.authentication import JWTAuthentication
@@ -157,3 +158,19 @@ class UserSourceJSONWebTokenAuthentication(JWTAuthentication):
             user,
             validated_token,
         )
+
+
+class UserSourceJSONWebTokenAuthenticationExtension(OpenApiAuthenticationExtension):
+    target_class = (
+        "baserow.api.user_sources.authentication.UserSourceJSONWebTokenAuthentication"
+    )
+    name = "UserSource JWT"
+    match_subclasses = True
+    priority = -1
+
+    def get_security_definition(self, auto_schema):
+        return {
+            "type": "http",
+            "scheme": "bearer",
+            "bearerFormat": "JWT your_token",
+        }

backend/src/baserow/contrib/builder/api/domains/serializers.py

@@ -6,9 +6,7 @@ from drf_spectacular.types import OpenApiTypes
 from drf_spectacular.utils import extend_schema_field
 from rest_framework import serializers
 
-from baserow.api.app_auth_providers.serializers import (
-    ReadPolymorphicAppAuthProviderSerializer,
-)
+from baserow.api.app_auth_providers.serializers import AppAuthProviderSerializer
 from baserow.api.polymorphic import PolymorphicSerializer
 from baserow.api.services.serializers import PublicServiceSerializer
 from baserow.api.user_files.serializers import UserFileField, UserFileSerializer
@@ -26,6 +24,7 @@ from baserow.contrib.builder.elements.registries import element_type_registry
 from baserow.contrib.builder.models import Builder
 from baserow.contrib.builder.pages.handler import PageHandler
 from baserow.contrib.builder.pages.models import Page
+from baserow.core.app_auth_providers.registries import app_auth_provider_type_registry
 from baserow.core.services.registries import service_type_registry
 from baserow.core.user_sources.models import UserSource
 from baserow.core.user_sources.registries import user_source_type_registry
@@ -175,6 +174,16 @@ class PublicPageSerializer(serializers.ModelSerializer):
         }
 
 
+class PublicPolymorphicAppAuthProviderSerializer(PolymorphicSerializer):
+    """
+    Polymorphic serializer for App Auth providers.
+    """
+
+    base_class = AppAuthProviderSerializer
+    registry = app_auth_provider_type_registry
+    extra_params = {"public": True}
+
+
 class BasePublicUserSourceSerializer(serializers.ModelSerializer):
     """
     Basic user source serializer mostly for returned values.
@@ -186,7 +195,7 @@ class BasePublicUserSourceSerializer(serializers.ModelSerializer):
     def get_type(self, instance):
         return user_source_type_registry.get_by_model(instance.specific_class).type
 
-    auth_providers = ReadPolymorphicAppAuthProviderSerializer(
+    auth_providers = PublicPolymorphicAppAuthProviderSerializer(
         required=False,
         many=True,
         help_text="Auth providers related to this user source.",

backend/src/baserow/contrib/builder/application_types.py

@@ -1,6 +1,8 @@
 from typing import Any, Dict, List, Optional
+from urllib.parse import urljoin
 from zipfile import ZipFile
 
+from django.conf import settings
 from django.contrib.auth.models import AbstractUser
 from django.core.files.storage import Storage
 from django.db import transaction
@@ -419,6 +421,30 @@ class BuilderApplicationType(ApplicationType):
 
         return builder
 
+    def get_default_application_urls(self, application: Builder) -> list[str]:
+        """
+        Returns the default frontend urls of a builder application.
+        """
+
+        from baserow.contrib.builder.domains.handler import DomainHandler
+
+        domain = DomainHandler().get_domain_for_builder(application)
+
+        if domain is not None:
+            # Let's also return the preview url so that it's easier to test
+            preview_url = urljoin(
+                settings.PUBLIC_WEB_FRONTEND_URL,
+                f"/builder/{domain.builder_id}/preview/",
+            )
+            return [domain.get_public_url(), preview_url]
+
+        preview_url = urljoin(
+            settings.PUBLIC_WEB_FRONTEND_URL,
+            f"/builder/{application.id}/preview/",
+        )
+        # It's an unpublished version let's return to the home preview page
+        return [preview_url]
+
     def enhance_queryset(self, queryset):
         queryset = queryset.prefetch_related("page_set")
         queryset = queryset.prefetch_related("user_sources")

backend/src/baserow/contrib/builder/domains/handler.py

@@ -85,6 +85,17 @@ class DomainHandler:
 
         return domain.published_to
 
+    def get_domain_for_builder(self, builder: Builder) -> Domain | None:
+        """
+        Returns the domain the builder is published for or None if it's not a published
+        builder.
+        """
+
+        try:
+            return Domain.objects.get(published_to=builder)
+        except Domain.DoesNotExist:
+            return None
+
     def create_domain(
         self, domain_type: DomainType, builder: Builder, **kwargs
     ) -> Domain:

backend/src/baserow/contrib/builder/domains/models.py

@@ -1,3 +1,6 @@
+from urllib.parse import urlparse
+
+from django.conf import settings
 from django.contrib.contenttypes.models import ContentType
 from django.db import models
 from django.db.models import CASCADE, SET_NULL
@@ -80,6 +83,16 @@ class Domain(
     class Meta:
         ordering = ("order",)
 
+    def get_public_url(self):
+        """
+        Returns the URL for this domain.
+        """
+
+        # Parse the PUBLIC_WEB_FRONTEND_URL to extract the scheme and port
+        parsed_url = urlparse(settings.PUBLIC_WEB_FRONTEND_URL)
+        port_string = f":{parsed_url.port}" if parsed_url.port else ""
+        return f"{parsed_url.scheme}://{self.domain_name}{port_string}"
+
     @classmethod
     def get_last_order(cls, builder):
         queryset = Domain.objects.filter(builder=builder)

backend/src/baserow/contrib/builder/domains/permission_manager.py

@@ -4,6 +4,7 @@ from baserow.contrib.builder.data_sources.operations import (
     DispatchDataSourceOperationType,
     ListDataSourcesPageOperationType,
 )
+from baserow.contrib.builder.domains.handler import DomainHandler
 from baserow.contrib.builder.elements.operations import ListElementsPageOperationType
 from baserow.contrib.builder.models import Builder
 from baserow.contrib.builder.workflow_actions.operations import (
@@ -20,8 +21,6 @@ from baserow.core.user_sources.operations import (
 )
 from baserow.core.user_sources.subjects import UserSourceUserSubjectType
 
-from .models import Domain
-
 User = get_user_model()
 
 
@@ -101,10 +100,7 @@ class AllowPublicBuilderManagerType(PermissionManagerType):
                     # give access to specific data.
                     continue
 
-            if (
-                builder.workspace is None
-                and Domain.objects.filter(published_to=builder).exists()
-            ):
+            if DomainHandler().get_domain_for_builder(builder) is not None:
                 # it's a public builder, we allow it.
                 result[check] = True
 

backend/src/baserow/contrib/builder/registries.py

@@ -1,72 +0,0 @@
-from typing import Dict, List, Optional
-
-from baserow.core.registry import CustomFieldsInstanceMixin
-
-
-class PublicCustomFieldsInstanceMixin(CustomFieldsInstanceMixin):
-    public_serializer_field_names = []
-    """The field names that must be added to the serializer if it's public."""
-
-    public_request_serializer_field_names = []
-    """
-    The field names that must be added to the public request serializer if different
-    from the `public_serializer_field_names`.
-    """
-
-    request_serializer_field_overrides = None
-    """
-    The fields that must be added to the request serializer if different from the
-    `serializer_field_overrides` property.
-    """
-
-    public_serializer_field_overrides = None
-    """The fields that must be added to the public serializer."""
-
-    public_request_serializer_field_overrides = None
-    """
-    The fields that must be added to the public request serializer if different from the
-    `public_serializer_field_overrides` property.
-    """
-
-    def get_field_overrides(
-        self, request_serializer: bool, extra_params=None, **kwargs
-    ) -> Dict:
-        public = extra_params.get("public", False)
-
-        if public:
-            if request_serializer and self.public_request_serializer_field_overrides:
-                return self.public_request_serializer_field_overrides
-            if self.public_serializer_field_overrides:
-                return self.public_serializer_field_overrides
-
-        return super().get_field_overrides(request_serializer, extra_params, **kwargs)
-
-    def get_field_names(
-        self, request_serializer: bool, extra_params=None, **kwargs
-    ) -> List[str]:
-        public = extra_params.get("public", False)
-
-        if public:
-            if request_serializer and self.public_request_serializer_field_names:
-                return self.public_request_serializer_field_names
-            if self.public_serializer_field_names:
-                return self.public_serializer_field_names
-
-        return super().get_field_names(request_serializer, extra_params, **kwargs)
-
-    def get_meta_ref_name(
-        self,
-        request_serializer: bool,
-        extra_params=None,
-        **kwargs,
-    ) -> Optional[str]:
-        meta_ref_name = super().get_meta_ref_name(
-            request_serializer, extra_params, **kwargs
-        )
-
-        public = extra_params.get("public", False)
-
-        if public:
-            meta_ref_name = f"Public{meta_ref_name}"
-
-        return meta_ref_name

backend/src/baserow/contrib/builder/workflow_actions/registries.py

@@ -4,11 +4,11 @@ from django.contrib.auth.models import AbstractUser
 
 from baserow.contrib.builder.formula_importer import import_formula
 from baserow.contrib.builder.mixins import BuilderInstanceWithFormulaMixin
-from baserow.contrib.builder.registries import PublicCustomFieldsInstanceMixin
 from baserow.contrib.builder.workflow_actions.models import BuilderWorkflowAction
 from baserow.core.registry import (
     CustomFieldsRegistryMixin,
     ModelRegistryMixin,
+    PublicCustomFieldsInstanceMixin,
     Registry,
 )
 from baserow.core.workflow_actions.registries import WorkflowActionType
@@ -88,6 +88,7 @@ class BuilderWorkflowActionType(
             cache = {}
 
         element_id = serialized_values["element_id"]
+        import_context = {}
         if element_id:
             imported_element_id = id_mapping["builder_page_elements"][element_id]
             import_context = ElementHandler().get_import_context_addition(

backend/src/baserow/core/app_auth_providers/auth_provider_types.py

@@ -1,18 +1,20 @@
-from typing import TYPE_CHECKING, Callable, List, Type, Union
+from typing import TYPE_CHECKING, Callable, List, Tuple, Type, Union
 
 from django.contrib.auth.models import AbstractUser
 
 from baserow.core.app_auth_providers.exceptions import IncompatibleUserSourceType
 from baserow.core.app_auth_providers.types import AppAuthProviderTypeDict
 from baserow.core.auth_provider.registries import BaseAuthProviderType
-from baserow.core.auth_provider.types import AuthProviderModelSubClass
-from baserow.core.registry import EasyImportExportMixin
+from baserow.core.auth_provider.types import AuthProviderModelSubClass, UserInfo
+from baserow.core.registry import EasyImportExportMixin, PublicCustomFieldsInstanceMixin
 
 if TYPE_CHECKING:
     from baserow.core.user_sources.types import UserSourceSubClass
 
 
-class AppAuthProviderType(EasyImportExportMixin, BaseAuthProviderType):
+class AppAuthProviderType(
+    EasyImportExportMixin, PublicCustomFieldsInstanceMixin, BaseAuthProviderType
+):
     """
     Authentication provider for application user sources.
     """
@@ -70,3 +72,16 @@ class AppAuthProviderType(EasyImportExportMixin, BaseAuthProviderType):
         :param instance: The auth provider instance related to the user source.
         :param user_source: The user source being updated.
         """
+
+    def get_or_create_user_and_sign_in(
+        self, auth_provider: AuthProviderModelSubClass, user_info: UserInfo
+    ) -> Tuple[AbstractUser, bool]:
+        """
+        Get or create a user for the given UserInfo. Calls the related userSource
+        get_or_create_user.
+        """
+
+        user_source = auth_provider.user_source.specific
+        return user_source.get_type().get_or_create_user(
+            user_source, email=user_info.email, name=user_info.name
+        )

backend/src/baserow/core/app_auth_providers/models.py

@@ -37,4 +37,4 @@ class AppAuthProvider(BaseAuthProviderModel, HierarchicalModelMixin):
         return app_auth_provider_type_registry
 
     class Meta:
-        ordering = ["domain", "id"]
+        ordering = ["id"]

backend/src/baserow/core/auth_provider/models.py

@@ -17,8 +17,14 @@ class BaseAuthProviderModel(
     Base abstract model for app_providers.
     """
 
-    domain = models.CharField(max_length=255, null=True)
-    enabled = models.BooleanField(default=True)
+    domain = models.CharField(
+        max_length=255,
+        null=True,
+        help_text="The email domain registered with this provider.",
+    )
+    enabled = models.BooleanField(
+        help_text="Whether the provider is enabled or not.", default=True
+    )
 
     class Meta:
         abstract = True

backend/src/baserow/core/auth_provider/registries.py

@@ -47,13 +47,6 @@ class BaseAuthProviderType(
     default_create_allowed_fields = ["domain", "enabled"]
     default_update_allowed_fields = ["domain", "enabled"]
 
-    @abstractmethod
-    def get_login_options(self, **kwargs) -> Optional[Dict[str, Any]]:
-        """
-        Returns a dictionary containing the login options
-        to populate the login component accordingly.
-        """
-
     def can_create_new_providers(self, **kwargs) -> bool:
         """
         Returns True if it's possible to create an authentication provider of this type.
@@ -249,6 +242,13 @@ class AuthenticationProviderTypeRegistry(
         super().__init__(*args, **kwargs)
         self._default = None
 
+    @abstractmethod
+    def get_login_options(self, **kwargs) -> Optional[Dict[str, Any]]:
+        """
+        Returns a dictionary containing the login options
+        to populate the login component accordingly.
+        """
+
     def get_all_available_login_options(self):
         login_options = {}
         for provider_type in self.get_all():

backend/src/baserow/core/management/commands/list_urls.py

@@ -0,0 +1,33 @@
+from django.core.management.base import BaseCommand
+from django.urls import URLPattern, URLResolver, get_resolver
+
+
+class Command(BaseCommand):
+    help = "List all registered full URLs with their namespaces"
+
+    def handle(self, *args, **kwargs):
+        resolver = get_resolver()
+        self.list_urls(resolver.url_patterns)
+
+    def list_urls(self, urlpatterns, prefix="", namespace=None):
+        for pattern in urlpatterns:
+            if isinstance(pattern, URLPattern):
+                # Construct the full URL path
+                full_url = f"{prefix}{pattern.pattern}"
+                full_namespace = (
+                    f"{namespace}:{pattern.name}"
+                    if namespace and pattern.name
+                    else pattern.name or "None"
+                )
+                self.stdout.write(f"URL: {full_url}, Namespace: {full_namespace}")
+            elif isinstance(pattern, URLResolver):
+                # Construct the full namespace and recurse
+                new_prefix = f"{prefix}{pattern.pattern}"
+                new_namespace = (
+                    f"{namespace}:{pattern.namespace}"
+                    if namespace and pattern.namespace
+                    else pattern.namespace or namespace
+                )
+                self.list_urls(
+                    pattern.url_patterns, prefix=new_prefix, namespace=new_namespace
+                )

backend/src/baserow/core/migrations/0093_alter_appauthprovider_options_and_more.py

@@ -0,0 +1,48 @@
+# Generated by Django 5.0.9 on 2024-11-19 09:43
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("core", "0092_alter_userprofile_language"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="appauthprovider",
+            options={"ordering": ["id"]},
+        ),
+        migrations.AlterField(
+            model_name="appauthprovider",
+            name="domain",
+            field=models.CharField(
+                help_text="The email domain registered with this provider.",
+                max_length=255,
+                null=True,
+            ),
+        ),
+        migrations.AlterField(
+            model_name="appauthprovider",
+            name="enabled",
+            field=models.BooleanField(
+                default=True, help_text="Whether the provider is enabled or not."
+            ),
+        ),
+        migrations.AlterField(
+            model_name="authprovidermodel",
+            name="domain",
+            field=models.CharField(
+                help_text="The email domain registered with this provider.",
+                max_length=255,
+                null=True,
+            ),
+        ),
+        migrations.AlterField(
+            model_name="authprovidermodel",
+            name="enabled",
+            field=models.BooleanField(
+                default=True, help_text="Whether the provider is enabled or not."
+            ),
+        ),
+    ]

backend/src/baserow/core/registries.py

@@ -507,6 +507,13 @@ class ApplicationType(
     def enhance_queryset(self, queryset):
         return queryset
 
+    def get_default_application_urls(self, application: "Application") -> list[str]:
+        """
+        Returns the default frontend urls of the application if any.
+        """
+
+        return []
+
 
 ApplicationSubClassInstance = TypeVar(
     "ApplicationSubClassInstance", bound="Application"

backend/src/baserow/core/registry.py

@@ -276,13 +276,95 @@ class CustomFieldsInstanceMixin:
         return None
 
 
+class PublicCustomFieldsInstanceMixin(CustomFieldsInstanceMixin):
+    """
+    A mixin for instance with custom fields but some field should remains private
+    when used in some APIs.
+    """
+
+    public_serializer_field_names = None
+    """The field names that must be added to the serializer if it's public."""
+
+    public_request_serializer_field_names = None
+    """
+    The field names that must be added to the public request serializer if different
+    from the `public_serializer_field_names`.
+    """
+
+    request_serializer_field_overrides = None
+    """
+    The fields that must be added to the request serializer if different from the
+    `serializer_field_overrides` property.
+    """
+
+    public_serializer_field_overrides = None
+    """The fields that must be added to the public serializer."""
+
+    public_request_serializer_field_overrides = None
+    """
+    The fields that must be added to the public request serializer if different from the
+    `public_serializer_field_overrides` property.
+    """
+
+    def get_field_overrides(
+        self, request_serializer: bool, extra_params=None, **kwargs
+    ) -> Dict:
+        public = extra_params.get("public", False)
+
+        if public:
+            if (
+                request_serializer is not None
+                and self.public_request_serializer_field_overrides is not None
+            ):
+                return self.public_request_serializer_field_overrides
+            if self.public_serializer_field_overrides is not None:
+                return self.public_serializer_field_overrides
+
+        return super().get_field_overrides(request_serializer, extra_params, **kwargs)
+
+    def get_field_names(
+        self, request_serializer: bool, extra_params=None, **kwargs
+    ) -> List[str]:
+        public = extra_params.get("public", False)
+
+        if public:
+            if (
+                request_serializer is not None
+                and self.public_request_serializer_field_names is not None
+            ):
+                return self.public_request_serializer_field_names
+            if self.public_serializer_field_names is not None:
+                return self.public_serializer_field_names
+
+        return super().get_field_names(request_serializer, extra_params, **kwargs)
+
+    def get_meta_ref_name(
+        self,
+        request_serializer: bool,
+        extra_params=None,
+        **kwargs,
+    ) -> Optional[str]:
+        meta_ref_name = super().get_meta_ref_name(
+            request_serializer, extra_params, **kwargs
+        )
+
+        public = extra_params.get("public", False)
+
+        if public:
+            meta_ref_name = f"Public{meta_ref_name}"
+
+        return meta_ref_name
+
+
 class APIUrlsInstanceMixin:
-    def get_api_urls(self):
+    def get_api_urls(self) -> List:
         """
         If needed custom api related urls to the instance can be added here.
 
         Example:
 
+            from django.urls import include, path
+
             def get_api_urls(self):
                 from . import api_urls
 
@@ -298,7 +380,6 @@ class APIUrlsInstanceMixin:
             ]
 
         :return: A list containing the urls.
-        :rtype: list
         """
 
         return []

backend/src/baserow/core/user_sources/registries.py

@@ -1,6 +1,6 @@
 import uuid
 from abc import ABC, abstractmethod
-from typing import Any, Dict, Iterable, List, Optional, Type, TypeVar
+from typing import Any, Dict, Iterable, List, Optional, Tuple, Type, TypeVar
 
 from django.contrib.auth.models import AbstractUser
 
@@ -16,6 +16,7 @@ from baserow.core.registry import (
     ModelRegistryMixin,
     Registry,
 )
+from baserow.core.user.exceptions import UserNotFound
 from baserow.core.user_sources.constants import DEFAULT_USER_ROLE_PREFIX
 from baserow.core.user_sources.user_source_user import UserSourceUser
 
@@ -233,15 +234,41 @@ class UserSourceType(
         """
 
     @abstractmethod
-    def get_user(self, user_source: UserSource, **kwargs) -> Optional[UserSourceUser]:
+    def create_user(
+        self, user_source: UserSource, email: str, name: str
+    ) -> UserSourceUser:
+        """
+        Create a user for the given user source instance from it's email and name.
+
+        :param user_source: The user source we want to create the user for.
+        :param email: Email of the user to create.
+        :param name: Name of the user to create.
+        :return: A user instance.
+        """
+
+    @abstractmethod
+    def get_user(self, user_source: UserSource, **kwargs) -> UserSourceUser:
         """
         Returns a user given some args.
 
         :param user_source: The user source used to get the user.
         :param kwargs: Keyword arguments to get the user.
+        :raises UserNotFound: When the user can't be found.
         :return: A user instance if any found with the given parameters.
         """
 
+    def get_or_create_user(
+        self, user_source: UserSource, email: str, name: str
+    ) -> Tuple[UserSourceUser, bool]:
+        """
+        Shorthand to create a user if he doesn't exist.
+        """
+
+        try:
+            return self.get_user(user_source, email=email), False
+        except UserNotFound:
+            return self.create_user(user_source, email, name), True
+
     @abstractmethod
     def authenticate(self, user_source: UserSource, **kwargs) -> UserSourceUser:
         """

backend/src/baserow/test_utils/pytest_conftest.py

@@ -265,6 +265,9 @@ def stub_user_source_registry(data_fixture, mutable_user_source_registry, fake):
                     return get_user_return
                 return data_fixture.create_user_source_user(user_source=user_source)
 
+            def create_user(self, user_source, email, name):
+                return data_fixture.create_user_source_user(user_source=user_source)
+
             def authenticate(self, user_source, **kwargs):
                 if authenticate_return:
                     if callable(authenticate_return):

backend/tests/baserow/api/user_sources/test_user_source_views.py

@@ -193,7 +193,10 @@ def test_create_user_source_w_auth_providers(api_client, data_fixture):
             "name": "test",
             "integration_id": integration.id,
             "auth_providers": [
-                {"type": "local_baserow_password", "enabled": False, "domain": "test1"},
+                {
+                    "type": "local_baserow_password",
+                    "enabled": False,
+                },
             ],
         },
         format="json",
@@ -208,14 +211,87 @@ def test_create_user_source_w_auth_providers(api_client, data_fixture):
 
     assert response_json["auth_providers"] == [
         {
-            "domain": "test1",
             "id": first.id,
             "password_field_id": None,
             "type": "local_baserow_password",
+            "domain": None,
         },
     ]
 
 
+@pytest.mark.django_db
+def test_create_user_source_w_auth_providers_w_domain(api_client, data_fixture):
+    user, token = data_fixture.create_user_and_token()
+    workspace = data_fixture.create_workspace(user=user)
+    application = data_fixture.create_builder_application(workspace=workspace)
+    integration = data_fixture.create_local_baserow_integration(application=application)
+
+    url = reverse("api:user_sources:list", kwargs={"application_id": application.id})
+    response = api_client.post(
+        url,
+        {
+            "type": "local_baserow",
+            "name": "test",
+            "integration_id": integration.id,
+            "auth_providers": [
+                {
+                    "domain": "domain.com",
+                    "type": "local_baserow_password",
+                    "enabled": False,
+                },
+            ],
+        },
+        format="json",
+        HTTP_AUTHORIZATION=f"JWT {token}",
+    )
+
+    response_json = response.json()
+    assert response.status_code == HTTP_200_OK
+
+    assert AppAuthProvider.objects.count() == 1
+    first = AppAuthProvider.objects.first()
+
+    assert response_json["auth_providers"] == [
+        {
+            "id": first.id,
+            "password_field_id": None,
+            "type": "local_baserow_password",
+            "domain": "domain.com",
+        },
+    ]
+
+
+@pytest.mark.django_db
+def test_create_user_source_w_auth_providers_w_wrong_domain(api_client, data_fixture):
+    user, token = data_fixture.create_user_and_token()
+    workspace = data_fixture.create_workspace(user=user)
+    application = data_fixture.create_builder_application(workspace=workspace)
+    integration = data_fixture.create_local_baserow_integration(application=application)
+
+    url = reverse("api:user_sources:list", kwargs={"application_id": application.id})
+    response = api_client.post(
+        url,
+        {
+            "type": "local_baserow",
+            "name": "test",
+            "integration_id": integration.id,
+            "auth_providers": [
+                {
+                    "domain": "baddomain",
+                    "type": "local_baserow_password",
+                    "enabled": False,
+                },
+            ],
+        },
+        format="json",
+        HTTP_AUTHORIZATION=f"JWT {token}",
+    )
+
+    response_json = response.json()
+    assert response.status_code == HTTP_400_BAD_REQUEST
+    assert response_json["error"] == "ERROR_REQUEST_BODY_VALIDATION"
+
+
 @pytest.mark.django_db
 def test_create_user_source_w_auth_provider_wrong_type(api_client, data_fixture):
     user, token = data_fixture.create_user_and_token()
@@ -237,7 +313,6 @@ def test_create_user_source_w_auth_provider_wrong_type(api_client, data_fixture)
             "integration_id": integration.id,
             "auth_providers": [
                 {
-                    "domain": "test_domain",
                     "enabled": True,
                     "type": app_auth_provider_type.type,
                 },
@@ -270,7 +345,6 @@ def test_create_user_source_w_auth_provider_missing_type(api_client, data_fixtur
             "integration_id": integration.id,
             "auth_providers": [
                 {
-                    "domain": "test_domain",
                     "enabled": True,
                     "type": "bad_type",
                 },
@@ -374,7 +448,11 @@ def test_update_user_source_w_auth_providers(api_client, data_fixture):
         url,
         {
             "auth_providers": [
-                {"type": "local_baserow_password", "enabled": False, "domain": "test1"},
+                {
+                    "type": "local_baserow_password",
+                    "enabled": False,
+                    "domain": "test2.com",
+                },
             ],
         },
         format="json",
@@ -388,7 +466,7 @@ def test_update_user_source_w_auth_providers(api_client, data_fixture):
 
     assert response.json()["auth_providers"] == [
         {
-            "domain": "test1",
+            "domain": "test2.com",
             "id": first.id,
             "password_field_id": None,
             "type": "local_baserow_password",
@@ -399,7 +477,11 @@ def test_update_user_source_w_auth_providers(api_client, data_fixture):
         url,
         {
             "auth_providers": [
-                {"type": "local_baserow_password", "enabled": False, "domain": "test3"},
+                {
+                    "type": "local_baserow_password",
+                    "enabled": False,
+                    "domain": "test3.com",
+                },
             ],
         },
         format="json",
@@ -411,7 +493,7 @@ def test_update_user_source_w_auth_providers(api_client, data_fixture):
 
     assert response.json()["auth_providers"] == [
         {
-            "domain": "test3",
+            "domain": "test3.com",
             "id": first.id,
             "password_field_id": None,
             "type": "local_baserow_password",

backend/tests/baserow/contrib/builder/domains/test_domain_handler.py

@@ -196,3 +196,34 @@ def test_domain_publishing(data_fixture):
     DomainHandler().publish(domain1, progress)
 
     assert Builder.objects.count() == 2
+
+
+@pytest.mark.django_db
+def test_get_domain_for_builder(data_fixture):
+    user = data_fixture.create_user()
+    builder = data_fixture.create_builder_application(user=user)
+    builder_to = data_fixture.create_builder_application(workspace=None)
+    domain1 = data_fixture.create_builder_custom_domain(
+        builder=builder, published_to=builder_to, domain_name="mytest.com"
+    )
+    domain2 = data_fixture.create_builder_custom_domain(
+        builder=builder, domain_name="mytest2.com"
+    )
+
+    assert (
+        DomainHandler().get_domain_for_builder(builder_to).domain_name == "mytest.com"
+    )
+
+    assert DomainHandler().get_domain_for_builder(builder) is None
+
+
+@pytest.mark.django_db
+def test_get_domain_public_url(data_fixture):
+    user = data_fixture.create_user()
+    builder = data_fixture.create_builder_application(user=user)
+    builder_to = data_fixture.create_builder_application(workspace=None)
+    domain1 = data_fixture.create_builder_custom_domain(
+        builder=builder, published_to=builder_to, domain_name="mytest.com"
+    )
+
+    assert domain1.get_public_url() == "http://mytest.com:3000"

backend/tests/baserow/contrib/builder/test_builder_application_type.py

@@ -1636,3 +1636,21 @@ def test_builder_application_exports_file_with_zip_file(
     serialized_image_element = visible_pages[0]["elements"][0]
     assert serialized_image_element["image_source_type"] == "upload"
     assert serialized_image_element["image_file_id"] == serialized_file
+
+
+@pytest.mark.django_db
+def test_get_default_application_urls(data_fixture):
+    user = data_fixture.create_user()
+    builder = data_fixture.create_builder_application(user=user)
+    builder_to = data_fixture.create_builder_application(workspace=None)
+    domain1 = data_fixture.create_builder_custom_domain(
+        builder=builder, published_to=builder_to, domain_name="mytest.com"
+    )
+
+    assert builder.get_type().get_default_application_urls(builder) == [
+        f"http://localhost:3000/builder/{builder.id}/preview/"
+    ]
+    assert builder_to.get_type().get_default_application_urls(builder_to) == [
+        "http://mytest.com:3000",
+        f"http://localhost:3000/builder/{builder.id}/preview/",
+    ]

enterprise/backend/src/baserow_enterprise/api/admin/auth_provider/serializers.py

@@ -14,7 +14,7 @@ class CreateAuthProviderSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = AuthProviderModel
-        fields = ("domain", "type")
+        fields = ("domain", "type", "enabled")
 
 
 class UpdateAuthProviderSerializer(serializers.ModelSerializer):
@@ -29,7 +29,7 @@ class UpdateAuthProviderSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = AuthProviderModel
-        fields = ("domain", "type")
+        fields = ("domain", "type", "enabled")
         extra_kwargs = {
             "domain": {"required": False},
         }

enterprise/backend/src/baserow_enterprise/api/integrations/common/sso/saml/serializers.py

@@ -0,0 +1,15 @@
+from rest_framework import serializers
+
+from baserow_enterprise.api.sso.saml.serializers import SAMLResponseSerializer
+from baserow_enterprise.api.sso.serializers import BaseSsoLoginRequestSerializer
+
+
+class CommonSsoLoginRequestSerializer(BaseSsoLoginRequestSerializer):
+    next = serializers.CharField(
+        required=False,
+        help_text="If provided, the user will be redirected to that path after login",
+    )
+
+
+class CommonSAMLResponseSerializer(SAMLResponseSerializer):
+    query_param_serializer = CommonSsoLoginRequestSerializer

enterprise/backend/src/baserow_enterprise/api/integrations/common/sso/saml/urls.py

@@ -0,0 +1,19 @@
+from django.urls import re_path
+
+from .views import (
+    SamlAppAuthProviderAssertionConsumerServiceView,
+    SamlAppAuthProviderBaserowInitiatedSingleSignOn,
+)
+
+app_name = "baserow_enterprise.api.integrations.common.sso.saml"
+
+urlpatterns = [
+    re_path(
+        r"acs/$", SamlAppAuthProviderAssertionConsumerServiceView.as_view(), name="acs"
+    ),
+    re_path(
+        r"login/$",
+        SamlAppAuthProviderBaserowInitiatedSingleSignOn.as_view(),
+        name="login",
+    ),
+]

enterprise/backend/src/baserow_enterprise/api/integrations/common/sso/saml/views.py

@@ -0,0 +1,245 @@
+from django.db import transaction
+from django.http import HttpResponseRedirect
+from django.shortcuts import redirect
+
+from drf_spectacular.openapi import OpenApiParameter, OpenApiTypes
+from drf_spectacular.utils import extend_schema
+from rest_framework.permissions import AllowAny
+from rest_framework.request import Request
+from rest_framework.views import APIView
+
+from baserow.api.decorators import map_exceptions
+from baserow.api.exceptions import (
+    QueryParameterValidationException,
+    RequestBodyValidationException,
+)
+from baserow.api.user_sources.errors import ERROR_USER_SOURCE_DOES_NOT_EXIST
+from baserow.api.utils import validate_data
+from baserow.core.user.exceptions import DeactivatedUserException
+from baserow.core.user_sources.exceptions import (
+    UserSourceDoesNotExist,
+    UserSourceImproperlyConfigured,
+)
+from baserow.core.user_sources.handler import UserSourceHandler
+from baserow_enterprise.api.integrations.common.sso.saml.serializers import (
+    CommonSAMLResponseSerializer,
+    CommonSsoLoginRequestSerializer,
+)
+from baserow_enterprise.api.sso.serializers import BaseSsoLoginRequestSerializer
+from baserow_enterprise.api.sso.utils import (
+    SsoErrorCode,
+    get_valid_frontend_url,
+    map_sso_exceptions,
+    urlencode_query_params,
+)
+from baserow_enterprise.integrations.common.sso.saml.handler import (
+    SamlAppAuthProviderHandler,
+)
+from baserow_enterprise.integrations.common.sso.saml.models import (
+    SamlAppAuthProviderModel,
+)
+from baserow_enterprise.sso.saml.exceptions import (
+    InvalidSamlConfiguration,
+    InvalidSamlRequest,
+    InvalidSamlResponse,
+)
+
+
+class SamlAppAuthProviderAssertionConsumerServiceView(APIView):
+    permission_classes = (AllowAny,)
+
+    @extend_schema(
+        tags=["Auth"],
+        request=CommonSAMLResponseSerializer,
+        operation_id="auth_provider_saml_acs_url",
+        description=(
+            "Complete the SAML authentication flow by validating the SAML response. "
+            "Sign in the user if already exists in user_source or create a new one "
+            "otherwise."
+            "Once authenticated, the user will be redirected to the original "
+            "URL they were trying to access. If the response is invalid, the user "
+            "will be redirected to an error page with a specific error message."
+            "It accepts the language code and the workspace invitation token as query "
+            "parameters if provided."
+        ),
+        responses={302: None},
+        auth=[],
+    )
+    @transaction.atomic
+    @map_exceptions(
+        {
+            UserSourceDoesNotExist: ERROR_USER_SOURCE_DOES_NOT_EXIST,
+        }
+    )
+    def post(
+        self,
+        request: Request,
+        user_source_uid,
+    ) -> HttpResponseRedirect:
+        user_source = UserSourceHandler().get_user_source_by_uid(user_source_uid)
+
+        default_frontend_urls = (
+            user_source.application.get_type().get_default_application_urls(
+                user_source.application.specific
+            )
+        )
+
+        error_raised = {"code": None}
+
+        def on_error(error_code):
+            error_raised["code"] = error_code
+
+        with map_sso_exceptions(
+            {
+                InvalidSamlConfiguration: SsoErrorCode.INVALID_SAML_RESPONSE,
+                InvalidSamlResponse: SsoErrorCode.INVALID_SAML_RESPONSE,
+                DeactivatedUserException: SsoErrorCode.USER_DEACTIVATED,
+                RequestBodyValidationException: SsoErrorCode.INVALID_SAML_RESPONSE,
+                UserSourceDoesNotExist: SsoErrorCode.INVALID_SAML_REQUEST,
+                UserSourceImproperlyConfigured: SsoErrorCode.INVALID_SAML_REQUEST,
+            },
+            on_error=on_error,
+        ):
+            # We can't use the decorator here because the redirect_url is related
+            # to the user source and we don't have it before.
+            data = validate_data(
+                CommonSAMLResponseSerializer,
+                request.data,
+                return_validated=True,
+            )
+
+            next_path = data["saml_request_data"].pop("next", None)
+
+            user = SamlAppAuthProviderHandler.sign_in_user_from_saml_response(
+                data["SAMLResponse"],
+                data["saml_request_data"],
+                base_queryset=SamlAppAuthProviderModel.objects.filter(
+                    user_source=user_source
+                ),
+            )
+
+        if error_raised["code"]:
+            # We redirect to the default frontend url with an error code
+            error_url = urlencode_query_params(
+                default_frontend_urls[0],
+                {f"saml_error__{user_source.id}": error_raised["code"].value},
+            )
+            return redirect(error_url)
+
+        query_params = {
+            f"user_source_saml_token__{user_source.id}": user.get_refresh_token()
+        }
+
+        if next_path:
+            query_params["next"] = next_path
+
+        # Otherwise it a success, we redirect to the login page
+        redirect_url = get_valid_frontend_url(
+            data["RelayState"],
+            default_frontend_urls=default_frontend_urls,
+            # Add the refresh token as query parameter
+            query_params=query_params,
+            allow_any_path=False,
+        )
+
+        return redirect(redirect_url)
+
+
+class SamlAppAuthProviderBaserowInitiatedSingleSignOn(APIView):
+    permission_classes = (AllowAny,)
+
+    @extend_schema(
+        parameters=[
+            OpenApiParameter(
+                name="email",
+                location=OpenApiParameter.QUERY,
+                type=OpenApiTypes.STR,
+                description="The email address of the user that want to sign in using SAML.",
+            ),
+            OpenApiParameter(
+                name="original",
+                location=OpenApiParameter.QUERY,
+                type=OpenApiTypes.STR,
+                description=(
+                    "The url to which the user should be redirected after a successful "
+                    "login or sign up."
+                ),
+            ),
+        ],
+        tags=["User sources"],
+        request=BaseSsoLoginRequestSerializer,
+        operation_id="app_auth_provider_saml_sp_login",
+        description=(
+            "This is the endpoint that is called when the user wants to initiate a "
+            "SSO SAML login from Baserow (the service provider). The user will be "
+            "redirected to the SAML identity provider (IdP) where the user "
+            "can authenticate. "
+            "Once logged in in the IdP, the user will be redirected back "
+            "to the assertion consumer service endpoint (ACS) where the SAML response "
+            "will be validated and a new JWT session token will be provided to work "
+            "with Baserow APIs."
+        ),
+        responses={302: None},
+        auth=[],
+    )
+    @map_exceptions(
+        {
+            UserSourceDoesNotExist: ERROR_USER_SOURCE_DOES_NOT_EXIST,
+        }
+    )
+    def get(self, request: Request, user_source_uid: str) -> HttpResponseRedirect:
+        user_source = UserSourceHandler().get_user_source_by_uid(user_source_uid)
+
+        default_frontend_urls = (
+            user_source.application.get_type().get_default_application_urls(
+                user_source.application.specific
+            )
+        )
+
+        error_raised = {"code": None}
+
+        def on_error(error_code):
+            error_raised["code"] = error_code
+
+        with map_sso_exceptions(
+            {
+                InvalidSamlConfiguration: SsoErrorCode.INVALID_SAML_REQUEST,
+                InvalidSamlRequest: SsoErrorCode.INVALID_SAML_REQUEST,
+                RequestBodyValidationException: SsoErrorCode.INVALID_SAML_REQUEST,
+            },
+            on_error=on_error,
+        ):
+            # Validate query parameters
+            query_params = validate_data(
+                CommonSsoLoginRequestSerializer,
+                request.GET.dict(),
+                partial=False,
+                exception_to_raise=QueryParameterValidationException,
+                return_validated=True,
+            )
+
+            original_url = query_params.pop("original", "")
+            valid_relay_state_url = get_valid_frontend_url(
+                original_url,
+                query_params,
+                default_frontend_urls=default_frontend_urls,
+                allow_any_path=False,
+            )
+
+            idp_sign_in_url = SamlAppAuthProviderHandler.get_sign_in_url(
+                query_params,
+                SamlAppAuthProviderHandler.model_class.objects.filter(
+                    user_source__uid=user_source.uid
+                ),
+                redirect_to=valid_relay_state_url,
+            )
+
+        if error_raised["code"]:
+            # We redirect to the default frontend url with an error code
+            error_url = urlencode_query_params(
+                default_frontend_urls[0],
+                {f"saml_error__{user_source.id}": error_raised["code"].value},
+            )
+            return redirect(error_url)
+
+        return redirect(idp_sign_in_url)

enterprise/backend/src/baserow_enterprise/api/sso/saml/serializers.py

@@ -7,6 +7,8 @@ from baserow_enterprise.sso.saml.exceptions import InvalidSamlResponse
 
 
 class SAMLResponseSerializer(serializers.Serializer):
+    query_param_serializer = SsoLoginRequestSerializer
+
     SAMLResponse = serializers.CharField(
         required=True, help_text="The encoded SAML response from the IdP."
     )
@@ -25,11 +27,12 @@ class SAMLResponseSerializer(serializers.Serializer):
         parsed_relay_state = urlparse(relay_state)
         query_params = dict(parse_qsl(parsed_relay_state.query))
         if query_params:
-            request_data_serializer = SsoLoginRequestSerializer(data=query_params)
+            request_data_serializer = self.query_param_serializer(data=query_params)
             if request_data_serializer.is_valid():
                 data["saml_request_data"] = request_data_serializer.validated_data
             else:
                 raise InvalidSamlResponse("Invalid RelayState query parameters.")
+
         data["RelayState"] = parsed_relay_state._replace(query="").geturl()
 
         return data

enterprise/backend/src/baserow_enterprise/api/sso/saml/validators.py

@@ -1,5 +1,7 @@
 import io
 
+from django.db.models import QuerySet
+
 from rest_framework import serializers
 from saml2.xml.schema import XMLSchemaError
 from saml2.xml.schema import validate as validate_saml_metadata_schema
@@ -9,14 +11,17 @@ from baserow_enterprise.sso.saml.models import SamlAuthProviderModel
 
 
 def validate_unique_saml_domain(
-    domain, instance=None, model_class=SamlAuthProviderModel
+    domain, instance=None, base_queryset: QuerySet | None = None
 ):
-    queryset = model_class.objects.filter(domain=domain)
+    if base_queryset is None:
+        base_queryset = SamlAuthProviderModel.objects
+
+    queryset = base_queryset.filter(domain=domain)
     if instance:
         queryset = queryset.exclude(id=instance.id)
     if queryset.exists():
         raise SamlProviderForDomainAlreadyExists(
-            f"There is already a {model_class.__name__} for this domain."
+            "There is already a provider for this domain."
         )
     return domain
 

enterprise/backend/src/baserow_enterprise/api/sso/saml/views.py

@@ -230,7 +230,7 @@ class AdminAuthProvidersLoginUrlView(APIView):
         )
 
         saml_login_url = urljoin(
-            settings.PUBLIC_BACKEND_URL, reverse("api:enterprise:sso:saml:login")
+            settings.PUBLIC_BACKEND_URL, reverse("api:enterprise_sso_saml:login")
         )
         saml_login_url = urlencode_query_params(saml_login_url, query_params)
         return Response({"redirect_url": saml_login_url})

enterprise/backend/src/baserow_enterprise/api/sso/serializers.py

@@ -7,13 +7,13 @@ from baserow.api.user.serializers import NormalizedEmailField
 from baserow.api.user.validators import language_validation
 
 
-class SsoLoginRequestSerializer(serializers.Serializer):
+class BaseSsoLoginRequestSerializer(serializers.Serializer):
     email = NormalizedEmailField(
         required=False, help_text="The email address of the user."
     )
     original = serializers.CharField(
         required=False,
-        help_text="The relative part of URL that the user wanted to access.",
+        help_text="The original URL that the user wanted to access.",
     )
     language = serializers.CharField(
         required=False,
@@ -23,6 +23,13 @@ class SsoLoginRequestSerializer(serializers.Serializer):
         help_text="An ISO 639 language code (with optional variant) "
         "selected by the user. Ex: en-GB.",
     )
+
+    def to_internal_value(self, instance) -> Dict[str, str]:
+        data = super().to_internal_value(instance)
+        return {k: v for k, v in data.items() if v is not None}
+
+
+class SsoLoginRequestSerializer(BaseSsoLoginRequestSerializer):
     workspace_invitation_token = serializers.CharField(
         required=False,
         help_text="If provided and valid, the user accepts the workspace invitation and"
@@ -34,8 +41,5 @@ class SsoLoginRequestSerializer(serializers.Serializer):
 
         if urlparse(value).hostname:
             return None
-        return value
 
-    def to_internal_value(self, instance) -> Dict[str, str]:
-        data = super().to_internal_value(instance)
-        return {k: v for k, v in data.items() if v is not None}
+        return value

enterprise/backend/src/baserow_enterprise/api/sso/urls.py

@@ -1,11 +0,0 @@
-from django.urls import include, path
-
-from .oauth2 import urls as oauth2_urls
-from .saml import urls as saml_urls
-
-app_name = "baserow_enterprise.api.sso"
-
-urlpatterns = [
-    path("saml/", include(saml_urls, namespace="saml")),
-    path("oauth2/", include(oauth2_urls, namespace="oauth2")),
-]

enterprise/backend/src/baserow_enterprise/api/sso/utils.py

@@ -1,5 +1,7 @@
+from contextlib import ContextDecorator
 from enum import Enum
-from typing import Dict, Optional
+from functools import wraps
+from typing import Callable, Dict, Optional, Type
 from urllib.parse import urljoin, urlparse
 
 from django.conf import settings
@@ -25,31 +27,58 @@ class SsoErrorCode(Enum):
     SIGNUP_DISABLED = "errorSignupDisabled"
 
 
-def map_sso_exceptions(mapping: Dict[Exception, SsoErrorCode]):
+class map_sso_exceptions(ContextDecorator):
     """
-    This decorator can be used to map exceptions to SSO error codes. If the
-    decorated function raises an exception that is in the mapping, the
-    redirect_to_sign_in_error_page() function will be called with the mapped
-    error code. If the exception is not in the mapping, it will be raised
-    normally.
+    A context manager and decorator to map exceptions to SSO error codes. If the
+    enclosed code block or decorated function raises an exception that is in the
+    mapping, the provided redirect function will be called with the mapped error code.
+    If the exception is not in the mapping, it will be raised normally.
 
     :param mapping: A dictionary that maps exceptions to SSO error codes.
-    :return: The decorator.
+    :param on_error: A callable that takes an error code and handles the action.
     """
 
-    def decorator(func):
-        def wrapper(*args, **kwargs):
+    def __init__(
+        self,
+        mapping: Dict[Type[Exception], str],
+        on_error: Callable[[str], None] | None = None,
+    ):
+        self.mapping = mapping
+        if on_error is None:
+            self.on_error = redirect_to_sign_in_error_page
+        else:
+            self.on_error = on_error
+
+    def __enter__(self):
+        pass
+
+    # Context manager
+    def __exit__(self, exc_type, exc_value, traceback):
+        if exc_type is None:
+            # No exception occurred
+            return False
+
+        for exception, error_code in self.mapping.items():
+            if isinstance(exc_value, exception):
+                self.on_error(error_code)
+                return True  # Swallow the exception after handling it
+
+        # If exception not handled, propagate it
+        return False
+
+    # Decorator version
+    def __call__(self, func):
+        @wraps(func)
+        def wrapped_function(*args, **kwargs):
             try:
                 return func(*args, **kwargs)
             except Exception as e:
-                for exception, error_code in mapping.items():
+                for exception, error_code in self.mapping.items():
                     if isinstance(e, exception):
-                        return redirect_to_sign_in_error_page(error_code)
+                        return self.on_error(error_code)
                 raise e
 
-        return wrapper
-
-    return decorator
+        return wrapped_function
 
 
 def urlencode_query_params(url: str, query_params: Dict[str, str]) -> str:
@@ -79,6 +108,7 @@ def redirect_to_sign_in_error_page(
     """
 
     frontend_error_page_url = get_frontend_login_error_url()
+
     if error_code:
         frontend_error_page_url = urlencode_query_params(
             frontend_error_page_url, {"error": error_code.value}
@@ -89,40 +119,64 @@ def redirect_to_sign_in_error_page(
 def get_valid_frontend_url(
     requested_original_url: Optional[str] = None,
     query_params: Optional[Dict[str, str]] = None,
-) -> str:
+    default_frontend_urls: list[str] | None = None,
+    allow_any_path: bool = True,
+):
     """
     Returns a valid absolute frontend url based on the original url requested
     before the redirection to the login (can be relative or absolute). If the
-    original url is relative, it will be prefixed with the frontend hostname to
-    make the IdP redirection work. If the original url is external to Baserow,
-    the default frontend dashboard url will be returned instead.
+    original url is relative, it will be prefixed with the default hostname to
+    make the IdP redirection work. If the original url doesn't match any of the given
+    default_front_urls, the first default frontend url will be used instead.
 
     :param requested_original_url: The url to which the user should be
         redirected after a successful login.
+    :param query_params: The query parameters to add to the URL.
+    :param default_frontend_urls: The first one is the default fallback frontend URL.
+      Baserow one is used if None. Others are also allowed as valid URLs.
     :return: The url with the token as a query parameter.
     """
 
     requested_url_parsed = urlparse(requested_original_url or "")
-    default_frontend_url_parsed = urlparse(get_frontend_default_redirect_url())
 
-    if requested_url_parsed.path in ["", "/"]:
-        # use the default frontend path if the requested one is empty
-        requested_url_parsed = requested_url_parsed._replace(
-            path=default_frontend_url_parsed.path
-        )
+    if default_frontend_urls is None:
+        default_frontend_urls = [get_frontend_default_redirect_url()]
+
+    default_frontend_urls_parsed = [urlparse(u) for u in default_frontend_urls]
+    default_frontend_url_parsed = default_frontend_urls_parsed[0]
+
+    matching_url = default_frontend_url_parsed
+
     if requested_url_parsed.hostname is None:
         # provide a correct absolute url if the requested one is relative
         requested_url_parsed = default_frontend_url_parsed._replace(
             path=requested_url_parsed.path
         )
-    elif requested_url_parsed.hostname != default_frontend_url_parsed.hostname:
-        # return the default url if the requested url is external to Baserow
-        requested_url_parsed = default_frontend_url_parsed
+
+    else:
+        found = False
+        for allowed_url in default_frontend_urls_parsed:
+            if requested_url_parsed.hostname == allowed_url.hostname:
+                matching_url = allowed_url
+                found = True
+
+        if not found:
+            # None are matching -> redirecting to main homepage
+            requested_url_parsed = default_frontend_url_parsed
+            matching_url = default_frontend_url_parsed
+
+    if allow_any_path:
+        if requested_url_parsed.path in ["", "/"]:
+            # use the default frontend path if the requested one is empty
+            requested_url_parsed = requested_url_parsed._replace(path=matching_url.path)
+    elif not requested_url_parsed.geturl().startswith(matching_url.geturl()):
+        # if using a path that doesn't match the allowed urls, we reset to default url
+        requested_url_parsed = matching_url
 
     if query_params:
         return urlencode_query_params(requested_url_parsed.geturl(), query_params)
 
-    return str(requested_url_parsed.geturl())
+    return requested_url_parsed.geturl()
 
 
 def urlencode_user_token(frontend_url: str, user: AbstractUser) -> str:

enterprise/backend/src/baserow_enterprise/api/urls.py

@@ -4,7 +4,6 @@ from .admin import urls as admin_urls
 from .audit_log import urls as audit_log_urls
 from .role import urls as role_urls
 from .secure_file_serve import urls as secure_file_serve_urls
-from .sso import urls as sso_urls
 from .teams import urls as teams_urls
 
 app_name = "baserow_enterprise.api"
@@ -13,7 +12,6 @@ urlpatterns = [
     path("teams/", include(teams_urls, namespace="teams")),
     path("role/", include(role_urls, namespace="role")),
     path("admin/", include(admin_urls, namespace="admin")),
-    path("sso/", include(sso_urls, namespace="sso")),
     path("audit-log/", include(audit_log_urls, namespace="audit_log")),
     path("files/", include(secure_file_serve_urls, namespace="files")),
 ]

enterprise/backend/src/baserow_enterprise/apps.py

@@ -174,6 +174,12 @@ class BaserowEnterpriseConfig(AppConfig):
             LocalBaserowPasswordAppAuthProviderType()
         )
 
+        from baserow_enterprise.integrations.common.sso.saml.app_auth_provider_types import (
+            SamlAppAuthProviderType,
+        )
+
+        app_auth_provider_type_registry.register(SamlAppAuthProviderType())
+
         from baserow.contrib.builder.elements.registries import element_type_registry
         from baserow_enterprise.builder.elements.element_types import (
             AuthFormElementType,

enterprise/backend/src/baserow_enterprise/integrations/common/sso/saml/app_auth_provider_types.py

@@ -0,0 +1,113 @@
+from typing import List
+from urllib.parse import urljoin
+
+from django.conf import settings
+from django.urls import include, path, reverse
+
+from baserow.core.app_auth_providers.auth_provider_types import AppAuthProviderType
+from baserow.core.app_auth_providers.types import AppAuthProviderTypeDict
+from baserow_enterprise.api.sso.saml.validators import validate_unique_saml_domain
+from baserow_enterprise.integrations.local_baserow.user_source_types import (
+    LocalBaserowUserSourceType,
+)
+from baserow_enterprise.sso.saml.auth_provider_types import SamlAuthProviderTypeMixin
+
+from .models import SamlAppAuthProviderModel
+
+
+class SamlAppAuthProviderType(SamlAuthProviderTypeMixin, AppAuthProviderType):
+    """
+    The SAML authentication provider type allows users to login using SAML.
+    """
+
+    model_class = SamlAppAuthProviderModel
+
+    compatible_user_source_types = [LocalBaserowUserSourceType.type]
+
+    class SerializedDict(
+        AppAuthProviderTypeDict, SamlAuthProviderTypeMixin.SamlSerializedDict
+    ):
+        ...
+
+    @property
+    def allowed_fields(self) -> List[str]:
+        return SamlAuthProviderTypeMixin.saml_allowed_fields
+
+    @property
+    def serializer_field_names(self):
+        return SamlAuthProviderTypeMixin.saml_serializer_field_names
+
+    public_serializer_field_names = []
+
+    @property
+    def serializer_field_overrides(self):
+        return SamlAuthProviderTypeMixin.saml_serializer_field_overrides
+
+    public_serializer_field_overrides = {}
+
+    def get_api_urls(self):
+        from baserow_enterprise.api.integrations.common.sso.saml import urls
+
+        return [
+            path(
+                "user-source/<str:user_source_uid>/sso/saml/",
+                include(urls, namespace="sso_saml"),
+            )
+        ]
+
+    def before_create(self, user, **values):
+        user_source = values["user_source"]
+        if "domain" in values:
+            validate_unique_saml_domain(
+                values["domain"],
+                base_queryset=SamlAppAuthProviderModel.objects.filter(
+                    user_source=user_source
+                ),
+            )
+        return super().before_create(user, **values)
+
+    def before_update(self, user, provider, **values):
+        if "domain" in values:
+            user_source = values.get("user_source", provider.user_source)
+            validate_unique_saml_domain(
+                values["domain"],
+                provider,
+                base_queryset=SamlAppAuthProviderModel.objects.filter(
+                    user_source=user_source
+                ),
+            )
+        return super().before_update(user, provider, **values)
+
+    @classmethod
+    def get_acs_absolute_url(
+        cls, auth_provider: "SamlAuthProviderTypeMixin | None" = None
+    ):
+        """
+        Returns the ACS url for SAML authentication purpose. The user is redirected
+        to this URL after a successful login.
+        """
+
+        return urljoin(
+            settings.PUBLIC_BACKEND_URL,
+            reverse(
+                "api:user_sources:sso_saml:acs",
+                kwargs={"user_source_uid": auth_provider.user_source.uid},
+            ),
+        )
+
+    @classmethod
+    def get_login_absolute_url(
+        cls, auth_provider: "SamlAuthProviderTypeMixin | None" = None
+    ):
+        """
+        Returns the login URL for this auth_provider. The login URL is used to initiate
+        the Saml login process.
+        """
+
+        return urljoin(
+            settings.PUBLIC_BACKEND_URL,
+            reverse(
+                "api:user_sources:sso_saml:login",
+                kwargs={"user_source_uid": auth_provider.user_source.uid},
+            ),
+        )

enterprise/backend/src/baserow_enterprise/integrations/common/sso/saml/handler.py

@@ -0,0 +1,8 @@
+from baserow_enterprise.integrations.common.sso.saml.models import (
+    SamlAppAuthProviderModel,
+)
+from baserow_enterprise.sso.saml.handler import SamlAuthProviderHandler
+
+
+class SamlAppAuthProviderHandler(SamlAuthProviderHandler):
+    model_class = SamlAppAuthProviderModel

enterprise/backend/src/baserow_enterprise/integrations/common/sso/saml/models.py

@@ -0,0 +1,8 @@
+from baserow.core.app_auth_providers.models import AppAuthProvider
+from baserow_enterprise.sso.saml.models import SamlAuthProviderModelMixin
+
+
+class SamlAppAuthProviderModel(SamlAuthProviderModelMixin, AppAuthProvider):
+    # Restore ordering
+    class Meta(AppAuthProvider.Meta):
+        ordering = ["id"]

enterprise/backend/src/baserow_enterprise/integrations/local_baserow/auth_provider_types.py

@@ -31,6 +31,8 @@ class LocalBaserowPasswordAppAuthProviderType(AppAuthProviderType):
     ]
 
     serializer_field_names = ["password_field_id"]
+    public_serializer_field_names = []
+
     allowed_fields = ["password_field"]
 
     serializer_field_overrides = {
@@ -40,6 +42,7 @@ class LocalBaserowPasswordAppAuthProviderType(AppAuthProviderType):
             help_text="The id of the field to use as password for the user account.",
         ),
     }
+    public_serializer_field_overrides = {}
 
     class SerializedDict(AppAuthProviderTypeDict):
         password_field_id: int
@@ -151,13 +154,6 @@ class LocalBaserowPasswordAppAuthProviderType(AppAuthProviderType):
             instance.password_field = None
             instance.save()
 
-    def get_login_options(self, **kwargs) -> Dict[str, Any]:
-        """
-        Not implemented yet.
-        """
-
-        return {}
-
     def get_or_create_user_and_sign_in(
         self, auth_provider: AuthProviderModelSubClass, user_info: Dict[str, Any]
     ) -> Tuple[AbstractUser, bool]:

enterprise/backend/src/baserow_enterprise/integrations/local_baserow/user_source_types.py

@@ -2,6 +2,7 @@ from typing import Any, Dict, List, Optional
 
 from django.contrib.auth.models import AbstractUser
 
+from loguru import logger
 from rest_framework import serializers
 
 from baserow.api.exceptions import RequestBodyValidationException
@@ -17,6 +18,7 @@ from baserow.contrib.database.fields.field_types import (
 )
 from baserow.contrib.database.fields.handler import FieldHandler
 from baserow.contrib.database.fields.registries import FieldType
+from baserow.contrib.database.rows.actions import CreateRowsActionType
 from baserow.contrib.database.rows.operations import ReadDatabaseRowOperationType
 from baserow.contrib.database.search.handler import SearchHandler
 from baserow.contrib.database.table.exceptions import TableDoesNotExist
@@ -450,9 +452,9 @@ class LocalBaserowUserSourceType(UserSourceType):
 
         return (
             f"{user_source.id}"
-            f"_{user_source.table_id if user_source.table_id else '?'}"
-            f"_{user_source.email_field_id if user_source.email_field_id else '?'}"
-            f"_{user_source.role_field_id if user_source.role_field_id else '?'}"
+            f"_{user_source.table_id if user_source.table_id else '0'}"
+            f"_{user_source.email_field_id if user_source.email_field_id else '0'}"
+            f"_{user_source.role_field_id if user_source.role_field_id else '0'}"
         )
 
     def role_type_is_allowed(self, role_field: Optional[FieldType]) -> bool:
@@ -596,6 +598,54 @@ class LocalBaserowUserSourceType(UserSourceType):
 
         raise UserNotFound()
 
+    def create_user(self, user_source: UserSource, email, name, role=None):
+        """
+        Creates the user in the configured table.
+        """
+
+        if not self.is_configured(user_source):
+            raise UserSourceImproperlyConfigured()
+
+        try:
+            # Use table handler to exclude trashed table
+            table = TableHandler().get_table(user_source.table_id)
+        except TableDoesNotExist as exc:
+            # As we CASCADE when a table is deleted, the table shouldn't
+            # exist only if it's trashed and not yet deleted.
+            raise UserSourceImproperlyConfigured("The table doesn't exist.") from exc
+
+        integration = user_source.integration.specific
+
+        model = table.get_model()
+
+        values = {
+            user_source.name_field.db_column: name,
+            user_source.email_field.db_column: email,
+        }
+        if role and user_source.role_field_id:
+            values[user_source.role_field.db_column] = role
+
+        try:
+            # Use the action to keep track on what's going on
+            (user,) = CreateRowsActionType.do(
+                user=integration.authorized_user,
+                table=table,
+                rows_values=[values],
+                model=model,
+            )
+        except Exception as e:
+            logger.exception(e)
+            raise ("Error while creating the user") from e
+
+        return UserSourceUser(
+            user_source,
+            user,
+            user.id,
+            getattr(user, user_source.name_field.db_column),
+            getattr(user, user_source.email_field.db_column),
+            self.get_user_role(user, user_source),
+        )
+
     def authenticate(self, user_source: UserSource, **kwargs):
         """
         Authenticates using the given credentials. It uses the password auth provider.

enterprise/backend/src/baserow_enterprise/migrations/0034_samlappauthprovidermodel_and_more.py

@@ -0,0 +1,81 @@
+# Generated by Django 5.0.9 on 2024-12-05 11:23
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("baserow_enterprise", "0033_samlauthprovidermodel_email_attr_key_and_more"),
+        ("core", "0093_alter_appauthprovider_options_and_more"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="SamlAppAuthProviderModel",
+            fields=[
+                (
+                    "appauthprovider_ptr",
+                    models.OneToOneField(
+                        auto_created=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        parent_link=True,
+                        primary_key=True,
+                        serialize=False,
+                        to="core.appauthprovider",
+                    ),
+                ),
+                (
+                    "metadata",
+                    models.TextField(
+                        blank=True,
+                        help_text="The XML metadata downloaded from the metadata_url.",
+                    ),
+                ),
+                (
+                    "is_verified",
+                    models.BooleanField(
+                        default=False,
+                        help_text="This will be set to True only after a user successfully login with this IdP. This must be True to disable normal username/password login and make SAML the only authentication provider. ",
+                    ),
+                ),
+                (
+                    "email_attr_key",
+                    models.CharField(
+                        db_default="user.email",
+                        default="user.email",
+                        help_text="The key in the SAML response that contains the email address of the user. If this is not set, the email will be taken from the user's profile.",
+                        max_length=32,
+                    ),
+                ),
+                (
+                    "first_name_attr_key",
+                    models.CharField(
+                        db_default="user.first_name",
+                        default="user.first_name",
+                        help_text="The key in the SAML response that contains the first name of the user. If this is not set, the first name will be taken from the user's profile.",
+                        max_length=32,
+                    ),
+                ),
+                (
+                    "last_name_attr_key",
+                    models.CharField(
+                        blank=True,
+                        db_default="user.last_name",
+                        default="user.last_name",
+                        help_text="The key in the SAML response that contains the last name of the user. If this is not set, the last name will be taken from the user's profile.",
+                        max_length=32,
+                    ),
+                ),
+            ],
+            options={
+                "ordering": ["id"],
+                "abstract": False,
+            },
+            bases=("core.appauthprovider", models.Model),
+        ),
+        migrations.AlterModelOptions(
+            name="samlauthprovidermodel",
+            options={"ordering": ["domain"]},
+        ),
+    ]

enterprise/backend/src/baserow_enterprise/models.py

@@ -1,6 +1,12 @@
 from baserow_enterprise.builder.elements.models import AuthFormElement
 from baserow_enterprise.data_sync.models import LocalBaserowTableDataSync
-from baserow_enterprise.integrations.models import LocalBaserowUserSource
+from baserow_enterprise.integrations.common.sso.saml.models import (
+    SamlAppAuthProviderModel,
+)
+from baserow_enterprise.integrations.models import (
+    LocalBaserowPasswordAppAuthProvider,
+    LocalBaserowUserSource,
+)
 from baserow_enterprise.role.models import Role, RoleAssignment
 from baserow_enterprise.teams.models import Team, TeamSubject
 
@@ -12,4 +18,6 @@ __all__ = [
     "LocalBaserowUserSource",
     "AuthFormElement",
     "LocalBaserowTableDataSync",
+    "LocalBaserowPasswordAppAuthProvider",
+    "SamlAppAuthProviderModel",
 ]

enterprise/backend/src/baserow_enterprise/sso/oauth2/auth_provider_types.py

@@ -5,7 +5,7 @@ from typing import Any, Dict, Optional, Tuple
 
 from django.conf import settings
 from django.contrib.sessions.backends.base import SessionBase
-from django.urls import reverse
+from django.urls import include, path, reverse
 
 import requests
 from loguru import logger
@@ -30,6 +30,8 @@ from .models import (
 
 OAUTH_BACKEND_URL = settings.PUBLIC_BACKEND_URL
 
+_is_url_already_loaded = False
+
 
 @dataclass
 class WellKnownUrls:
@@ -50,6 +52,20 @@ class OAuth2AuthProviderMixin:
     - self.SCOPE
     """
 
+    def get_api_urls(self):
+        global _is_url_already_loaded
+
+        from baserow_enterprise.api.sso.oauth2 import urls
+
+        if not _is_url_already_loaded:
+            _is_url_already_loaded = True
+            # We need to register this only once
+            return [
+                path("sso/oauth2/", include(urls, namespace="enterprise_sso_oauth2"))
+            ]
+        else:
+            return []
+
     def get_login_options(self, **kwargs) -> Optional[Dict[str, Any]]:
         if not is_sso_feature_active():
             return None
@@ -64,7 +80,7 @@ class OAuth2AuthProviderMixin:
                 {
                     "redirect_url": urllib.parse.urljoin(
                         OAUTH_BACKEND_URL,
-                        reverse("api:enterprise:sso:oauth2:login", args=(instance.id,)),
+                        reverse("api:enterprise_sso_oauth2:login", args=(instance.id,)),
                     ),
                     "name": instance.name,
                     "type": self.type,
@@ -144,7 +160,7 @@ class OAuth2AuthProviderMixin:
 
         redirect_uri = urllib.parse.urljoin(
             OAUTH_BACKEND_URL,
-            reverse("api:enterprise:sso:oauth2:callback", args=(instance.id,)),
+            reverse("api:enterprise_sso_oauth2:callback", args=(instance.id,)),
         )
         if "oauth_state" in session:
             return OAuth2Session(

enterprise/backend/src/baserow_enterprise/sso/saml/auth_provider_types.py

@@ -1,8 +1,9 @@
-from typing import Any, Dict, List, Optional
+from abc import abstractmethod
+from typing import Any, Dict, List, Optional, TypedDict
 from urllib.parse import urljoin
 
 from django.conf import settings
-from django.urls import reverse
+from django.urls import include, path, reverse
 
 from rest_framework import serializers
 
@@ -26,43 +27,33 @@ from baserow_enterprise.sso.utils import is_sso_feature_active
 from .models import SamlAuthProviderModel
 
 
-class SamlAuthProviderType(AuthProviderType):
+class SamlAuthProviderTypeMixin:
     """
     The SAML authentication provider type allows users to login using SAML.
     """
 
     type = "saml"
-    model_class = SamlAuthProviderModel
-    allowed_fields: List[str] = [
-        "id",
-        "domain",
-        "type",
-        "enabled",
+
+    class SamlSerializedDict(TypedDict):
+        metadata: Dict
+        is_verified: bool
+
+    saml_allowed_fields: List[str] = [
         "metadata",
         "is_verified",
         "email_attr_key",
         "first_name_attr_key",
         "last_name_attr_key",
     ]
-    serializer_field_names = [
-        "domain",
+    saml_serializer_field_names = [
         "metadata",
-        "enabled",
         "is_verified",
         "email_attr_key",
         "first_name_attr_key",
         "last_name_attr_key",
     ]
-    serializer_field_overrides = {
-        "domain": serializers.CharField(
-            validators=[validate_domain],
-            required=True,
-            help_text="The email domain registered with this provider.",
-        ),
-        "enabled": serializers.BooleanField(
-            help_text="Whether the provider is enabled or not.",
-            required=False,
-        ),
+
+    saml_serializer_field_overrides = {
         "metadata": serializers.CharField(
             validators=[validate_saml_metadata],
             required=True,
@@ -98,21 +89,61 @@ class SamlAuthProviderType(AuthProviderType):
         SamlProviderForDomainAlreadyExists: ERROR_SAML_PROVIDER_FOR_DOMAIN_ALREADY_EXISTS
     }
 
-    def before_create(self, user, **values):
-        validate_unique_saml_domain(values["domain"])
-        return super().before_create(user, **values)
+    @classmethod
+    @abstractmethod
+    def get_acs_absolute_url(
+        cls, auth_provider: "SamlAuthProviderTypeMixin | None" = None
+    ):
+        """
+        Returns the ACS url for SAML authentication purpose. The user is redirected
+        to this URL after a successful login.
+        """
 
-    def before_update(self, user, provider, **values):
-        if "domain" in values:
-            validate_unique_saml_domain(values["domain"], provider)
-        return super().before_update(user, provider, **values)
+    @classmethod
+    @abstractmethod
+    def get_login_absolute_url(cls):
+        """
+        Returns the login URL for this auth_provider. The login URL is used to initiate
+        the Saml login process.
+        """
+
+
+class SamlAuthProviderType(SamlAuthProviderTypeMixin, AuthProviderType):
+    """
+    The SAML authentication provider type allows users to login using SAML.
+    """
+
+    model_class = SamlAuthProviderModel
+
+    @property
+    def allowed_fields(self) -> List[str]:
+        return SamlAuthProviderTypeMixin.saml_allowed_fields
+
+    @property
+    def serializer_field_names(self):
+        return SamlAuthProviderTypeMixin.saml_serializer_field_names
+
+    @property
+    def serializer_field_overrides(self):
+        return SamlAuthProviderTypeMixin.saml_serializer_field_overrides | {
+            "domain": serializers.CharField(
+                validators=[validate_domain],
+                required=True,
+                help_text="The email domain registered with this provider.",
+            ),
+        }
+
+    def get_api_urls(self):
+        from baserow_enterprise.api.sso.saml import urls
+
+        return [path("sso/saml/", include(urls, namespace="enterprise_sso_saml"))]
 
     def get_login_options(self, **kwargs) -> Optional[Dict[str, Any]]:
         single_sign_on_feature_active = is_sso_feature_active()
         if not single_sign_on_feature_active:
             return None
 
-        configured_domains = SamlAuthProviderModel.objects.filter(enabled=True).count()
+        configured_domains = self.model_class.objects.filter(enabled=True).count()
         if not configured_domains:
             return None
 
@@ -130,16 +161,28 @@ class SamlAuthProviderType(AuthProviderType):
             "default_redirect_url": default_redirect_url,
         }
 
+    def before_create(self, user, **values):
+        validate_unique_saml_domain(values["domain"])
+        return super().before_create(user, **values)
+
+    def before_update(self, user, provider, **values):
+        if "domain" in values:
+            validate_unique_saml_domain(values["domain"], provider)
+        return super().before_update(user, provider, **values)
+
     @classmethod
-    def get_acs_absolute_url(cls):
+    def get_acs_absolute_url(
+        cls, auth_provider: SamlAuthProviderTypeMixin | None = None
+    ):
         return urljoin(
-            settings.PUBLIC_BACKEND_URL, reverse("api:enterprise:sso:saml:acs")
+            settings.PUBLIC_BACKEND_URL, reverse("api:enterprise_sso_saml:acs")
         )
 
     @classmethod
     def get_login_absolute_url(cls):
         return urljoin(
-            settings.PUBLIC_BACKEND_URL, reverse("api:enterprise:sso:saml:login")
+            settings.PUBLIC_BACKEND_URL,
+            reverse("api:enterprise_sso_saml:login"),
         )
 
     def export_serialized(self) -> Dict[str, Any]:

enterprise/backend/src/baserow_enterprise/sso/saml/handler.py

@@ -4,6 +4,7 @@ from typing import Any, Dict, Optional
 
 from django.conf import settings
 from django.contrib.auth.models import AbstractUser
+from django.db.models import Model, QuerySet
 
 from defusedxml import ElementTree
 from loguru import logger
@@ -13,9 +14,11 @@ from saml2.config import Config as Saml2Config
 from saml2.response import AuthnResponse
 
 from baserow.core.auth_provider.types import UserInfo
-from baserow.core.registries import auth_provider_type_registry
 from baserow_enterprise.api.sso.utils import get_valid_frontend_url
-from baserow_enterprise.sso.saml.models import SamlAuthProviderModel
+from baserow_enterprise.sso.saml.models import (
+    SamlAuthProviderModel,
+    SamlAuthProviderModelMixin,
+)
 
 from .exceptions import (
     InvalidSamlConfiguration,
@@ -25,10 +28,12 @@ from .exceptions import (
 
 
 class SamlAuthProviderHandler:
+    model_class: Model = SamlAuthProviderModel
+
     @classmethod
     def prepare_saml_client(
         cls,
-        saml_auth_provider: SamlAuthProviderModel,
+        saml_auth_provider: SamlAuthProviderModelMixin,
     ) -> Saml2Client:
         """
         Returns a SAML client with the correct configuration for the given
@@ -39,10 +44,9 @@ class SamlAuthProviderHandler:
         :return: The SAML client that can be used to authenticate the user.
         """
 
-        saml_provider_type = auth_provider_type_registry.get_by_model(
-            saml_auth_provider
+        acs_url = saml_auth_provider.get_type().get_acs_absolute_url(
+            saml_auth_provider.specific
         )
-        acs_url = saml_provider_type.get_acs_absolute_url()
 
         saml_settings: Dict[str, Any] = {
             "entityid": acs_url,
@@ -95,9 +99,8 @@ class SamlAuthProviderHandler:
 
     @classmethod
     def get_saml_auth_provider_from_saml_response(
-        cls,
-        raw_saml_response: str,
-    ) -> SamlAuthProviderModel:
+        cls, raw_saml_response: str, base_queryset: QuerySet | None = None
+    ) -> SamlAuthProviderModelMixin:
         """
         Parses the saml response and returns the authentication provider that needs to
         be used to authenticate the user.
@@ -120,7 +123,10 @@ class SamlAuthProviderHandler:
         except (ElementTree.ParseError, AttributeError):
             raise InvalidSamlResponse("Impossible decode SAML response.")
 
-        saml_auth_provider = SamlAuthProviderModel.objects.filter(
+        if base_queryset is None:
+            base_queryset = cls.model_class.objects
+
+        saml_auth_provider = base_queryset.filter(
             enabled=True, metadata__contains=issuer
         ).first()
         if not saml_auth_provider:
@@ -130,7 +136,7 @@ class SamlAuthProviderHandler:
     @classmethod
     def get_user_info_from_authn_user_identity(
         cls,
-        saml_auth_provider: SamlAuthProviderModel,
+        saml_auth_provider: SamlAuthProviderModelMixin,
         authn_identity: Dict[str, str],
         saml_request_data: Optional[Dict[str, str]] = None,
     ) -> UserInfo:
@@ -172,8 +178,7 @@ class SamlAuthProviderHandler:
 
     @classmethod
     def get_saml_auth_provider_from_email(
-        cls,
-        email: Optional[str] = None,
+        cls, email: Optional[str] = None, base_queryset: QuerySet | None = None
     ) -> SamlAuthProviderModel:
         """
         It returns the Saml Identity Provider for the the given email address.
@@ -187,20 +192,24 @@ class SamlAuthProviderHandler:
             address provided.
         """
 
-        base_queryset = SamlAuthProviderModel.objects.filter(enabled=True)
+        if base_queryset is None:
+            base_queryset = cls.model_class.objects
+
+        queryset = base_queryset.filter(enabled=True)
 
         if email is not None:
             try:
                 domain = email.rsplit("@", 1)[1]
             except IndexError:
                 raise InvalidSamlRequest("Invalid mail address provided.")
-            base_queryset = base_queryset.filter(domain=domain)
+
+            queryset = queryset.filter(domain=domain)
 
         try:
-            return base_queryset.get()
+            return queryset.get()
         except (
-            SamlAuthProviderModel.DoesNotExist,
-            SamlAuthProviderModel.MultipleObjectsReturned,
+            cls.model_class.DoesNotExist,
+            cls.model_class.MultipleObjectsReturned,
         ):
             raise InvalidSamlRequest("No valid SAML identity provider found.")
 
@@ -213,7 +222,10 @@ class SamlAuthProviderHandler:
 
     @classmethod
     def sign_in_user_from_saml_response(
-        cls, saml_response: str, saml_request_data: Optional[Dict[str, str]] = None
+        cls,
+        saml_response: str,
+        saml_request_data: Optional[Dict[str, str]] = None,
+        base_queryset: QuerySet | None = None,
     ) -> AbstractUser:
         """
         Signs in the user using the SAML response received from the identity
@@ -230,7 +242,7 @@ class SamlAuthProviderHandler:
 
         try:
             saml_auth_provider = cls.get_saml_auth_provider_from_saml_response(
-                saml_response
+                saml_response, base_queryset=base_queryset
             )
 
             saml_client = cls.prepare_saml_client(saml_auth_provider)
@@ -249,11 +261,10 @@ class SamlAuthProviderHandler:
             logger.exception(exc)
             raise InvalidSamlResponse(str(exc))
 
-        saml_provider_type = saml_auth_provider.get_type()
         (
             user,
             _,
-        ) = saml_provider_type.get_or_create_user_and_sign_in(
+        ) = saml_auth_provider.get_type().get_or_create_user_and_sign_in(
             saml_auth_provider, idp_provided_user_info
         )
 
@@ -268,7 +279,7 @@ class SamlAuthProviderHandler:
     @classmethod
     def get_sign_in_url_for_auth_provider(
         cls,
-        saml_auth_provider: SamlAuthProviderModel,
+        saml_auth_provider: SamlAuthProviderModelMixin,
         original_url: str = "",
     ) -> str:
         """
@@ -284,6 +295,7 @@ class SamlAuthProviderHandler:
         """
 
         saml_client = cls.prepare_saml_client(saml_auth_provider)
+
         _, info = saml_client.prepare_for_authenticate(relay_state=original_url)
 
         for key, value in info["headers"]:
@@ -294,24 +306,36 @@ class SamlAuthProviderHandler:
             raise InvalidSamlConfiguration("No Location header found in SAML response.")
 
     @classmethod
-    def get_sign_in_url(cls, query_params: Dict[str, str]) -> str:
+    def get_sign_in_url(
+        cls,
+        query_params: Dict[str, str],
+        base_queryset: QuerySet | None = None,
+        redirect_to: str | None = None,
+    ) -> str:
         """
         Returns the sign in url for the correct identity provider. This url is
         used to initiate the SAML authentication flow from the service provider.
 
         :param query_params: A dict containing the query parameters from the
             sign in request.
+        :param redirect_to: if set, used as relay state url.
         :raises InvalidSamlRequest: If the email address is invalid.
         :raises InvalidSamlConfiguration: If the SAML configuration is invalid.
         :return: The redirect url to the identity provider.
         """
 
         user_email = query_params.pop("email", None)
-        original_url = query_params.pop("original", "")
-        valid_relay_state_url = get_valid_frontend_url(original_url, query_params)
+
+        if redirect_to:
+            valid_relay_state_url = redirect_to
+        else:
+            original_url = query_params.pop("original", "")
+            valid_relay_state_url = get_valid_frontend_url(original_url, query_params)
 
         try:
-            saml_auth_provider = cls.get_saml_auth_provider_from_email(user_email)
+            saml_auth_provider = cls.get_saml_auth_provider_from_email(
+                user_email, base_queryset=base_queryset
+            )
             return cls.get_sign_in_url_for_auth_provider(
                 saml_auth_provider, valid_relay_state_url
             )

enterprise/backend/src/baserow_enterprise/sso/saml/models.py

@@ -5,7 +5,7 @@ from django.dispatch import receiver
 from baserow.core.auth_provider.models import AuthProviderModel
 
 
-class SamlAuthProviderModel(AuthProviderModel):
+class SamlAuthProviderModelMixin(models.Model):
     metadata = models.TextField(
         blank=True, help_text="The XML metadata downloaded from the metadata_url."
     )
@@ -46,6 +46,15 @@ class SamlAuthProviderModel(AuthProviderModel):
         ),
     )
 
+    class Meta:
+        abstract = True
+
+
+class SamlAuthProviderModel(SamlAuthProviderModelMixin, AuthProviderModel):
+    # Restore ordering
+    class Meta(AuthProviderModel.Meta):
+        ordering = ["domain"]
+
 
 @receiver(pre_save, sender=SamlAuthProviderModel)
 def reset_is_verified_if_metadata_changed(sender, instance, **kwargs):

enterprise/backend/tests/baserow_enterprise_tests/api/sso/test_oauth_views.py

@@ -52,7 +52,7 @@ def test_oauth2_login_feature_not_active(api_client, enterprise_data_fixture):
     )
 
     response = api_client.get(
-        reverse("api:enterprise:sso:oauth2:login", kwargs={"provider_id": provider.id}),
+        reverse("api:enterprise_sso_oauth2:login", kwargs={"provider_id": provider.id}),
         format="json",
     )
 
@@ -68,7 +68,7 @@ def test_oauth2_login_feature_not_active(api_client, enterprise_data_fixture):
 def test_oauth2_login_provider_doesnt_exist(api_client, enterprise_data_fixture):
     enterprise_data_fixture.enable_enterprise()
     response = api_client.get(
-        reverse("api:enterprise:sso:oauth2:login", kwargs={"provider_id": 50}),
+        reverse("api:enterprise_sso_oauth2:login", kwargs={"provider_id": 50}),
         format="json",
     )
 
@@ -88,7 +88,7 @@ def test_oauth2_login_with_url_param(api_client, enterprise_data_fixture):
     )
     response = api_client.get(
         reverse(
-            "api:enterprise:sso:oauth2:login",
+            "api:enterprise_sso_oauth2:login",
             kwargs={"provider_id": provider.id},
         )
         + "?original=templates&workspace_invitation_token=t&language=en",
@@ -118,7 +118,7 @@ def test_oauth2_callback_feature_not_active(api_client, enterprise_data_fixture)
 
     response = api_client.get(
         reverse(
-            "api:enterprise:sso:oauth2:callback", kwargs={"provider_id": provider.id}
+            "api:enterprise_sso_oauth2:callback", kwargs={"provider_id": provider.id}
         ),
         format="json",
     )
@@ -135,7 +135,7 @@ def test_oauth2_callback_feature_not_active(api_client, enterprise_data_fixture)
 def test_oauth2_callback_provider_doesnt_exist(api_client, enterprise_data_fixture):
     enterprise_data_fixture.enable_enterprise()
     response = api_client.get(
-        reverse("api:enterprise:sso:oauth2:callback", kwargs={"provider_id": 50}),
+        reverse("api:enterprise_sso_oauth2:callback", kwargs={"provider_id": 50}),
         format="json",
     )
 
@@ -167,7 +167,7 @@ def test_oauth2_callback_signup_success(api_client, enterprise_data_fixture):
 
         response = api_client.get(
             reverse(
-                "api:enterprise:sso:oauth2:callback",
+                "api:enterprise_sso_oauth2:callback",
                 kwargs={"provider_id": provider.id},
             )
             + "?code=validcode",
@@ -211,7 +211,7 @@ def test_oauth2_callback_signup_set_language(api_client, enterprise_data_fixture
 
         response = api_client.get(
             reverse(
-                "api:enterprise:sso:oauth2:callback",
+                "api:enterprise_sso_oauth2:callback",
                 kwargs={"provider_id": provider.id},
             )
             + "?code=validcode",
@@ -263,7 +263,7 @@ def test_oauth2_callback_signup_workspace_invitation(
 
         response = api_client.get(
             reverse(
-                "api:enterprise:sso:oauth2:callback",
+                "api:enterprise_sso_oauth2:callback",
                 kwargs={"provider_id": provider.id},
             )
             + "?code=validcode",
@@ -318,7 +318,7 @@ def test_oauth2_callback_signup_workspace_invitation_email_mismatch(
 
         response = api_client.get(
             reverse(
-                "api:enterprise:sso:oauth2:callback",
+                "api:enterprise_sso_oauth2:callback",
                 kwargs={"provider_id": provider.id},
             )
             + "?code=validcode",
@@ -360,7 +360,7 @@ def test_oauth2_callback_signup_disabled(api_client, enterprise_data_fixture):
 
         response = api_client.get(
             reverse(
-                "api:enterprise:sso:oauth2:callback",
+                "api:enterprise_sso_oauth2:callback",
                 kwargs={"provider_id": provider.id},
             )
             + "?code=validcode",
@@ -408,7 +408,7 @@ def test_oauth2_callback_login_success(
 
         response = api_client.get(
             reverse(
-                "api:enterprise:sso:oauth2:callback",
+                "api:enterprise_sso_oauth2:callback",
                 kwargs={"provider_id": provider.id},
             )
             + "?code=validcode",
@@ -460,7 +460,7 @@ def test_oauth2_callback_login_deactivated_user(
 
         response = api_client.get(
             reverse(
-                "api:enterprise:sso:oauth2:callback",
+                "api:enterprise_sso_oauth2:callback",
                 kwargs={"provider_id": provider.id},
             )
             + "?code=validcode",
@@ -505,7 +505,7 @@ def test_oauth2_callback_login_different_provider(
 
         response = api_client.get(
             reverse(
-                "api:enterprise:sso:oauth2:callback",
+                "api:enterprise_sso_oauth2:callback",
                 kwargs={"provider_id": provider.id},
             )
             + "?code=validcode",
@@ -549,7 +549,7 @@ def test_oauth2_callback_login_auth_flow_error(
 
         response = api_client.get(
             reverse(
-                "api:enterprise:sso:oauth2:callback",
+                "api:enterprise_sso_oauth2:callback",
                 kwargs={"provider_id": provider.id},
             )
             + "?code=validcode",

enterprise/backend/tests/baserow_enterprise_tests/api/sso/test_saml_views.py

@@ -33,8 +33,8 @@ def test_saml_provider_get_login_url(api_client, data_fixture, enterprise_data_f
     auth_provider_1 = enterprise_data_fixture.create_saml_auth_provider(
         domain="test1.com"
     )
-    auth_provider_login = reverse("api:enterprise:sso:saml:login")
-    auth_provider_login_url = reverse("api:enterprise:sso:saml:login_url")
+    auth_provider_login = reverse("api:enterprise_sso_saml:login")
+    auth_provider_login_url = reverse("api:enterprise_sso_saml:login_url")
 
     _, unauthorized_token = data_fixture.create_user_and_token()
 
@@ -147,7 +147,7 @@ def test_user_cannot_initiate_saml_sso_without_enterprise_license(
     api_client, enterprise_data_fixture
 ):
     enterprise_data_fixture.create_saml_auth_provider(domain="test1.com")
-    response = api_client.get(reverse("api:enterprise:sso:saml:login"))
+    response = api_client.get(reverse("api:enterprise_sso_saml:login"))
     assert response.status_code == HTTP_302_FOUND
     assert (
         response.headers["Location"]
@@ -173,7 +173,7 @@ def test_user_can_initiate_saml_sso_with_enterprise_license(
     enterprise_data_fixture.create_saml_auth_provider(domain="test1.com")
     enterprise_data_fixture.enable_enterprise()
 
-    sp_sso_saml_login_url = reverse("api:enterprise:sso:saml:login")
+    sp_sso_saml_login_url = reverse("api:enterprise_sso_saml:login")
     original_relative_url = "database/1/table/1/"
     request_query_string = urlencode({"original": original_relative_url})
 
@@ -204,7 +204,7 @@ def test_user_can_initiate_saml_sso_with_enterprise_license(
 @override_settings(DEBUG=True)
 def test_saml_assertion_consumer_service(api_client, enterprise_data_fixture):
     user, _ = enterprise_data_fixture.create_enterprise_admin_user_and_token()
-    sp_sso_saml_acs_url = reverse("api:enterprise:sso:saml:acs")
+    sp_sso_saml_acs_url = reverse("api:enterprise_sso_saml:acs")
 
     (
         metadata,

enterprise/backend/tests/baserow_enterprise_tests/integrations/local_baserow/test_user_source_types.py

@@ -654,6 +654,95 @@ def test_create_user_source_field_from_other_table(api_client, data_fixture):
     assert response.json()["detail"]["name_field_id"][0]["code"] == "missing_table"
 
 
+@pytest.mark.django_db
+def test_user_source_create_user(data_fixture):
+    user = data_fixture.create_user()
+    workspace = data_fixture.create_workspace(user=user)
+    application = data_fixture.create_builder_application(workspace=workspace)
+    database = data_fixture.create_database_application(workspace=workspace)
+
+    integration = data_fixture.create_local_baserow_integration(
+        application=application, user=user
+    )
+
+    table_from_same_workspace1, fields, rows = data_fixture.build_table(
+        user=user,
+        database=database,
+        columns=[
+            ("Email", "text"),
+            ("Name", "text"),
+        ],
+        rows=[
+            ["test@baserow.io", "Test"],
+        ],
+    )
+
+    email_field, name_field = fields
+
+    user_source = data_fixture.create_user_source_with_first_type(
+        integration=integration,
+        name="Test name",
+        table=table_from_same_workspace1,
+        email_field=email_field,
+        name_field=name_field,
+        uid="uid",
+    )
+
+    created_user = user_source.get_type().create_user(
+        user_source, "test2@baserow.io", "Test2"
+    )
+
+    model = table_from_same_workspace1.get_model()
+    assert created_user.email == "test2@baserow.io"
+    assert model.objects.count() == 2
+    assert getattr(model.objects.last(), email_field.db_column) == "test2@baserow.io"
+
+
+@pytest.mark.django_db
+def test_user_source_create_user_w_role(data_fixture):
+    user = data_fixture.create_user()
+    workspace = data_fixture.create_workspace(user=user)
+    application = data_fixture.create_builder_application(workspace=workspace)
+    database = data_fixture.create_database_application(workspace=workspace)
+
+    integration = data_fixture.create_local_baserow_integration(
+        application=application, user=user
+    )
+
+    table_from_same_workspace1, fields, rows = data_fixture.build_table(
+        user=user,
+        database=database,
+        columns=[
+            ("Email", "text"),
+            ("Name", "text"),
+            ("Role", "text"),
+        ],
+        rows=[
+            ["test@baserow.io", "Test", "role1"],
+        ],
+    )
+
+    email_field, name_field, role_field = fields
+
+    user_source = data_fixture.create_user_source_with_first_type(
+        integration=integration,
+        name="Test name",
+        table=table_from_same_workspace1,
+        email_field=email_field,
+        name_field=name_field,
+        role_field=role_field,
+        uid="uid",
+    )
+
+    created_user = user_source.get_type().create_user(
+        user_source, "test2@baserow.io", "Test2", "role2"
+    )
+
+    model = table_from_same_workspace1.get_model()
+    assert created_user.role == "role2"
+    assert getattr(model.objects.last(), role_field.db_column) == "role2"
+
+
 @pytest.mark.django_db
 def test_export_user_source(data_fixture):
     user = data_fixture.create_user()
@@ -803,7 +892,7 @@ def test_create_local_baserow_user_source_w_auth_providers(api_client, data_fixt
                 {
                     "type": "local_baserow_password",
                     "enabled": True,
-                    "domain": "test1",
+                    "domain": "test1.com",
                     "password_field_id": password_field.id,
                 }
             ],
@@ -820,7 +909,7 @@ def test_create_local_baserow_user_source_w_auth_providers(api_client, data_fixt
 
     assert response_json["auth_providers"] == [
         {
-            "domain": "test1",
+            "domain": "test1.com",
             "id": first.id,
             "password_field_id": password_field.id,
             "type": "local_baserow_password",

enterprise/backend/tests/baserow_enterprise_tests/sso/test_sso_utils.py

@@ -0,0 +1,100 @@
+from baserow_enterprise.api.sso.utils import get_valid_frontend_url
+
+
+def test_get_valid_front_url():
+    assert get_valid_frontend_url() == "http://localhost:3000/dashboard"
+    assert (
+        get_valid_frontend_url("http://localhost:3000/dashboard")
+        == "http://localhost:3000/dashboard"
+    )
+    assert (
+        get_valid_frontend_url("http://localhost:3000/dashboard/after")
+        == "http://localhost:3000/dashboard/after"
+    )
+    assert (
+        get_valid_frontend_url("http://localhost:3000/other")
+        == "http://localhost:3000/other"
+    )
+    assert (
+        get_valid_frontend_url("http://localhost:3000/other", allow_any_path=False)
+        == "http://localhost:3000/dashboard"
+    )
+    assert (
+        get_valid_frontend_url("http://localhost:3000/")
+        == "http://localhost:3000/dashboard"
+    )
+
+    assert (
+        get_valid_frontend_url("http://something.com/")
+        == "http://localhost:3000/dashboard"
+    )
+    assert (
+        get_valid_frontend_url("http://something.com/dashboard/test")
+        == "http://localhost:3000/dashboard"
+    )
+
+
+def test_get_valid_front_url_with_defaults():
+    defaults = ["https://test.com/toto", "http://random.net/"]
+    assert (
+        get_valid_frontend_url(default_frontend_urls=defaults)
+        == "https://test.com/toto"
+    )
+    assert (
+        get_valid_frontend_url("https://test.com/toto", default_frontend_urls=defaults)
+        == "https://test.com/toto"
+    )
+    assert (
+        get_valid_frontend_url("http://random.net/", default_frontend_urls=defaults)
+        == "http://random.net/"
+    )
+    assert (
+        get_valid_frontend_url(
+            "https://test.com/toto/subpath/", default_frontend_urls=defaults
+        )
+        == "https://test.com/toto/subpath/"
+    )
+    assert (
+        get_valid_frontend_url("https://test.com/titi/", default_frontend_urls=defaults)
+        == "https://test.com/titi/"
+    )
+    assert (
+        get_valid_frontend_url(
+            "https://test.com/titi/",
+            default_frontend_urls=defaults,
+        )
+        == "https://test.com/titi/"
+    )
+    assert (
+        get_valid_frontend_url(
+            "https://test.com/titi/",
+            default_frontend_urls=defaults,
+            allow_any_path=False,
+        )
+        == "https://test.com/toto"
+    )
+    assert (
+        get_valid_frontend_url("http://random.net/", default_frontend_urls=defaults)
+        == "http://random.net/"
+    )
+    assert (
+        get_valid_frontend_url("http://random.net/path", default_frontend_urls=defaults)
+        == "http://random.net/path"
+    )
+    assert (
+        get_valid_frontend_url("http://other.net/path", default_frontend_urls=defaults)
+        == "https://test.com/toto"
+    )
+
+
+def test_get_valid_front_url_w_params():
+    assert (
+        get_valid_frontend_url(query_params={"test": "value"})
+        == "http://localhost:3000/dashboard?test=value"
+    )
+    assert (
+        get_valid_frontend_url(
+            "http://localhost:3000/dashboard", query_params={"test": "value"}
+        )
+        == "http://localhost:3000/dashboard?test=value"
+    )

enterprise/web-frontend/modules/baserow_enterprise/assets/scss/components/all.scss

@@ -14,3 +14,6 @@
 @import 'long_text_field';
 @import 'highest_role_field';
 @import 'auth_form_element';
+@import 'common_saml_setting_form';
+@import 'common_saml_setting_modal';
+@import 'saml_auth_link';

enterprise/web-frontend/modules/baserow_enterprise/assets/scss/components/auth_form_element.scss

@@ -15,3 +15,11 @@
   font-size: var(--label-font-size, 13px);
   padding-top: 0.5em;
 }
+
+.auth-form-element__provider {
+  padding-top: 16px;
+
+  &:first-child {
+    padding-top: 0;
+  }
+}

enterprise/web-frontend/modules/baserow_enterprise/assets/scss/components/common_saml_setting_form.scss

@@ -0,0 +1,13 @@
+.common-saml-setting-form {
+  @include elevation($elevation-low);
+  @include rounded($rounded);
+
+  padding: 20px;
+  border: 1px solid $palette-neutral-200;
+  display: flex;
+  cursor: pointer;
+
+  &--error {
+    border-color: $palette-red-600;
+  }
+}

enterprise/web-frontend/modules/baserow_enterprise/assets/scss/components/common_saml_setting_modal.scss

@@ -0,0 +1,24 @@
+.common-saml-setting-modal__url-block {
+  @include rounded($rounded);
+
+  position: relative;
+  font-family: monospace;
+  padding: 12px 16px;
+  background-color: $palette-neutral-50;
+  border: 1px solid $palette-neutral-400;
+}
+
+.common-saml-setting-modal__url {
+  padding-bottom: 8px;
+  cursor: pointer;
+  display: flex;
+  gap: 5px;
+}
+
+.common-saml-setting-modal__url-domain {
+  color: $palette-neutral-800;
+}
+
+.common-saml-setting-modal__url-dest {
+  @extend %ellipsis;
+}

enterprise/web-frontend/modules/baserow_enterprise/assets/scss/components/saml_auth_link.scss

@@ -0,0 +1,6 @@
+.saml-auth-link,
+.saml-auth-link__modal-footer {
+  display: flex;
+  flex-direction: column;
+  font-size: var(--label-font-size, 13px);
+}

enterprise/web-frontend/modules/baserow_enterprise/authProviderTypes.js

@@ -42,68 +42,150 @@ export class PasswordAuthProviderType extends AuthProviderType {
     return null
   }
 
+  /**
+   * We can create only one password provider.
+   */
+  canCreateNew(authProviders) {
+    return (
+      !authProviders[this.getType()] ||
+      authProviders[this.getType()].length === 0
+    )
+  }
+
   getOrder() {
     return 1
   }
 }
 
-export class SamlAuthProviderType extends AuthProviderType {
-  static getType() {
-    return 'saml'
-  }
-
-  getIcon() {
-    return SAMLIcon
-  }
-
-  getVerifiedIcon() {
-    return VerifiedProviderIcon
-  }
-
-  getName() {
-    return 'SSO SAML provider'
-  }
-
-  getProviderName(provider) {
-    return `SSO SAML: ${provider.domain}`
-  }
-
-  getLoginActionComponent() {
-    return SamlLoginAction
-  }
-
-  getAdminListComponent() {
-    return AuthProviderItem
-  }
-
-  getAdminSettingsFormComponent() {
-    return SamlSettingsForm
+export const SamlAuthProviderTypeMixin = (Base) =>
+  class extends Base {
+    static getType() {
+      return 'saml'
+    }
+
+    getIcon() {
+      return SAMLIcon
+    }
+
+    getVerifiedIcon() {
+      return VerifiedProviderIcon
+    }
+
+    getName() {
+      return this.app.i18n.t('authProviderTypes.saml')
+    }
+
+    getProviderName(provider) {
+      if (provider.domain) {
+        return this.app.i18n.t('authProviderTypes.ssoSamlProviderName', {
+          domain: provider.domain,
+        })
+      } else {
+        return this.app.i18n.t(
+          'authProviderTypes.ssoSamlProviderNameUnconfigured'
+        )
+      }
+    }
+
+    getLoginActionComponent() {
+      return SamlLoginAction
+    }
+
+    getAdminListComponent() {
+      return AuthProviderItem
+    }
+
+    getAdminSettingsFormComponent() {
+      return SamlSettingsForm
+    }
+
+    getRelayStateUrl() {
+      return this.app.store.getters['authProviderAdmin/getType'](this.getType())
+        .relayStateUrl
+    }
+
+    getAcsUrl() {
+      return this.app.store.getters['authProviderAdmin/getType'](this.getType())
+        .acsUrl
+    }
+
+    populateLoginOptions(authProviderOption) {
+      const loginOptions = super.populateLoginOptions(authProviderOption)
+      return {
+        redirectUrl: authProviderOption.redirect_url,
+        domainRequired: authProviderOption.domain_required,
+        ...loginOptions,
+      }
+    }
+
+    handleServerError(vueComponentInstance, error) {
+      if (error.handler.code !== 'ERROR_REQUEST_BODY_VALIDATION') return false
+
+      for (const [key, value] of Object.entries(error.handler.detail || {})) {
+        vueComponentInstance.serverErrors[key] = value
+      }
+      return true
+    }
+
+    populate(authProviderType) {
+      const populated = super.populate(authProviderType)
+      return {
+        acsUrl: authProviderType.acs_url,
+        relayStateUrl: authProviderType.relay_state_url,
+        ...populated,
+      }
+    }
   }
 
+export class SamlAuthProviderType extends SamlAuthProviderTypeMixin(
+  AuthProviderType
+) {
   getOrder() {
     return 50
   }
-
-  populateLoginOptions(authProviderOption) {
-    const loginOptions = super.populateLoginOptions(authProviderOption)
-    return {
-      redirectUrl: authProviderOption.redirect_url,
-      domainRequired: authProviderOption.domain_required,
-      ...loginOptions,
-    }
-  }
-
-  populate(authProviderType) {
-    const populated = super.populate(authProviderType)
-    return {
-      acsUrl: authProviderType.acs_url,
-      relayStateUrl: authProviderType.relay_state_url,
-      ...populated,
-    }
-  }
 }
 
-export class GoogleAuthProviderType extends AuthProviderType {
+export const OAuth2AuthProviderTypeMixin = (Base) =>
+  class extends Base {
+    getLoginButtonComponent() {
+      return LoginButton
+    }
+
+    getAdminListComponent() {
+      return AuthProviderItem
+    }
+
+    getAdminSettingsFormComponent() {
+      return OAuth2SettingsForm
+    }
+
+    getCallbackUrl(authProvider) {
+      if (!authProvider.id) {
+        const nextProviderId =
+          this.app.store.getters['authProviderAdmin/getNextProviderId']
+        return `${this.app.$config.PUBLIC_BACKEND_URL}/api/sso/oauth2/callback/${nextProviderId}/`
+      }
+      return `${this.app.$config.PUBLIC_BACKEND_URL}/api/sso/oauth2/callback/${authProvider.id}/`
+    }
+
+    populateLoginOptions(authProviderOption) {
+      const loginOptions = super.populateLoginOptions(authProviderOption)
+      return {
+        ...loginOptions,
+      }
+    }
+
+    populate(authProviderType) {
+      const populated = super.populate(authProviderType)
+      return {
+        ...populated,
+      }
+    }
+  }
+
+export class GoogleAuthProviderType extends OAuth2AuthProviderTypeMixin(
+  AuthProviderType
+) {
   static getType() {
     return 'google'
   }
@@ -120,38 +202,14 @@ export class GoogleAuthProviderType extends AuthProviderType {
     return provider.name ? provider.name : `Google`
   }
 
-  getLoginButtonComponent() {
-    return LoginButton
-  }
-
-  getAdminListComponent() {
-    return AuthProviderItem
-  }
-
-  getAdminSettingsFormComponent() {
-    return OAuth2SettingsForm
-  }
-
   getOrder() {
     return 50
   }
-
-  populateLoginOptions(authProviderOption) {
-    const loginOptions = super.populateLoginOptions(authProviderOption)
-    return {
-      ...loginOptions,
-    }
-  }
-
-  populate(authProviderType) {
-    const populated = super.populate(authProviderType)
-    return {
-      ...populated,
-    }
-  }
 }
 
-export class FacebookAuthProviderType extends AuthProviderType {
+export class FacebookAuthProviderType extends OAuth2AuthProviderTypeMixin(
+  AuthProviderType
+) {
   static getType() {
     return 'facebook'
   }
@@ -168,38 +226,14 @@ export class FacebookAuthProviderType extends AuthProviderType {
     return provider.name ? provider.name : this.getName()
   }
 
-  getLoginButtonComponent() {
-    return LoginButton
-  }
-
-  getAdminListComponent() {
-    return AuthProviderItem
-  }
-
-  getAdminSettingsFormComponent() {
-    return OAuth2SettingsForm
-  }
-
   getOrder() {
     return 50
   }
-
-  populateLoginOptions(authProviderOption) {
-    const loginOptions = super.populateLoginOptions(authProviderOption)
-    return {
-      ...loginOptions,
-    }
-  }
-
-  populate(authProviderType) {
-    const populated = super.populate(authProviderType)
-    return {
-      ...populated,
-    }
-  }
 }
 
-export class GitHubAuthProviderType extends AuthProviderType {
+export class GitHubAuthProviderType extends OAuth2AuthProviderTypeMixin(
+  AuthProviderType
+) {
   static getType() {
     return 'github'
   }
@@ -216,35 +250,9 @@ export class GitHubAuthProviderType extends AuthProviderType {
     return provider.name ? provider.name : this.getName()
   }
 
-  getLoginButtonComponent() {
-    return LoginButton
-  }
-
-  getAdminListComponent() {
-    return AuthProviderItem
-  }
-
-  getAdminSettingsFormComponent() {
-    return OAuth2SettingsForm
-  }
-
   getOrder() {
     return 50
   }
-
-  populateLoginOptions(authProviderOption) {
-    const loginOptions = super.populateLoginOptions(authProviderOption)
-    return {
-      ...loginOptions,
-    }
-  }
-
-  populate(authProviderType) {
-    const populated = super.populate(authProviderType)
-    return {
-      ...populated,
-    }
-  }
 }
 
 export class GitLabAuthProviderType extends AuthProviderType {
@@ -276,26 +284,23 @@ export class GitLabAuthProviderType extends AuthProviderType {
     return GitLabSettingsForm
   }
 
+  getCallbackUrl(authProvider) {
+    if (!authProvider.id) {
+      const nextProviderId =
+        this.app.store.getters['authProviderAdmin/getNextProviderId']
+      return `${this.app.$config.PUBLIC_BACKEND_URL}/api/sso/oauth2/callback/${nextProviderId}/`
+    }
+    return `${this.app.$config.PUBLIC_BACKEND_URL}/api/sso/oauth2/callback/${authProvider.id}/`
+  }
+
   getOrder() {
     return 50
   }
-
-  populateLoginOptions(authProviderOption) {
-    const loginOptions = super.populateLoginOptions(authProviderOption)
-    return {
-      ...loginOptions,
-    }
-  }
-
-  populate(authProviderType) {
-    const populated = super.populate(authProviderType)
-    return {
-      ...populated,
-    }
-  }
 }
 
-export class OpenIdConnectAuthProviderType extends AuthProviderType {
+export class OpenIdConnectAuthProviderType extends OAuth2AuthProviderTypeMixin(
+  AuthProviderType
+) {
   static getType() {
     return 'openid_connect'
   }
@@ -312,33 +317,38 @@ export class OpenIdConnectAuthProviderType extends AuthProviderType {
     return provider.name ? provider.name : this.getName()
   }
 
-  getLoginButtonComponent() {
-    return LoginButton
-  }
-
-  getAdminListComponent() {
-    return AuthProviderItem
-  }
-
   getAdminSettingsFormComponent() {
     return OpenIdConnectSettingsForm
   }
 
+  getCallbackUrl(authProvider) {
+    if (!authProvider.id) {
+      const nextProviderId =
+        this.app.store.getters['authProviderAdmin/getNextProviderId']
+      return `${this.app.$config.PUBLIC_BACKEND_URL}/api/sso/oauth2/callback/${nextProviderId}/`
+    }
+    return `${this.app.$config.PUBLIC_BACKEND_URL}/api/sso/oauth2/callback/${authProvider.id}/`
+  }
+
+  handleServerError(vueComponentInstance, error) {
+    if (error.handler.code === 'ERROR_INVALID_PROVIDER_URL') {
+      vueComponentInstance.serverErrors = {
+        ...vueComponentInstance.serverErrors,
+        baseUrl: error.handler.detail,
+      }
+      return true
+    }
+
+    if (error.handler.code !== 'ERROR_REQUEST_BODY_VALIDATION') return false
+
+    vueComponentInstance.serverErrors = structuredClone(
+      error.handler.detail || {}
+    )
+
+    return true
+  }
+
   getOrder() {
     return 50
   }
-
-  populateLoginOptions(authProviderOption) {
-    const loginOptions = super.populateLoginOptions(authProviderOption)
-    return {
-      ...loginOptions,
-    }
-  }
-
-  populate(authProviderType) {
-    const populated = super.populate(authProviderType)
-    return {
-      ...populated,
-    }
-  }
 }

enterprise/web-frontend/modules/baserow_enterprise/builder/components/elements/AuthFormElement.vue

@@ -1,64 +1,30 @@
 <template>
-  <form
-    v-if="hasAtLeastOneLoginOption"
-    class="auth-form-element"
-    :style="getStyleOverride('input')"
-    @submit.prevent="onLogin"
-  >
-    <Error :error="error"></Error>
-    <ABFormGroup
-      :label="$t('authFormElement.email')"
-      :error-message="
-        $v.values.email.$dirty
-          ? !$v.values.email.required
-            ? $t('error.requiredField')
-            : !$v.values.email.email
-            ? $t('error.invalidEmail')
-            : ''
-          : ''
-      "
-      :autocomplete="isEditMode ? 'off' : ''"
-      required
-    >
-      <ABInput
-        v-model="values.email"
-        :placeholder="$t('authFormElement.emailPlaceholder')"
-        @blur="$v.values.email.$touch()"
-      />
-    </ABFormGroup>
-    <ABFormGroup
-      :label="$t('authFormElement.password')"
-      :error-message="
-        $v.values.password.$dirty
-          ? !$v.values.password.required
-            ? $t('error.requiredField')
-            : ''
-          : ''
-      "
-      required
-    >
-      <ABInput
-        ref="passwordRef"
-        v-model="values.password"
-        type="password"
-        :placeholder="$t('authFormElement.passwordPlaceholder')"
-        @blur="$v.values.password.$touch()"
-      />
-    </ABFormGroup>
-    <div :style="getStyleOverride('login_button')" class="auth-form__footer">
-      <ABButton :disabled="$v.$error" :loading="loading" size="large">
-        {{ resolvedLoginButtonLabel }}
-      </ABButton>
-    </div>
-  </form>
-  <p v-else>{{ $t('authFormElement.selectOrConfigureUserSourceFirst') }}</p>
+  <div v-if="hasAtLeastOneLoginOption" :style="fullStyle">
+    <template v-for="appAuthType in appAuthProviderTypes">
+      <div
+        v-if="hasAtLeastOneProvider(appAuthType)"
+        :key="appAuthType.type"
+        class="auth-form-element__provider"
+      >
+        <component
+          :is="appAuthType.component"
+          :user-source="selectedUserSource"
+          :auth-providers="appAuthProviderPerTypes[appAuthType.type]"
+          :login-button-label="resolvedLoginButtonLabel"
+          @after-login="afterLogin"
+        />
+      </div>
+    </template>
+  </div>
+  <p v-else>
+    {{ $t('authFormElement.selectOrConfigureUserSourceFirst') }}
+  </p>
 </template>
 
 <script>
 import form from '@baserow/modules/core/mixins/form'
 import error from '@baserow/modules/core/mixins/error'
 import element from '@baserow/modules/builder/mixins/element'
-import { required, email } from 'vuelidate/lib/validators'
 import { ensureString } from '@baserow/modules/core/utils/validator'
 import { mapActions } from 'vuex'
 
@@ -79,12 +45,15 @@ export default {
     },
   },
   data() {
-    return {
-      loading: false,
-      values: { email: '', password: '' },
-    }
+    return {}
   },
   computed: {
+    fullStyle() {
+      return {
+        ...this.getStyleOverride('input'),
+        ...this.getStyleOverride('login_button'),
+      }
+    },
     selectedUserSource() {
       return this.$store.getters['userSource/getUserSourceById'](
         this.builder,
@@ -97,8 +66,21 @@ export default {
       }
       return this.$registry.get('userSource', this.selectedUserSource.type)
     },
-    isAuthenticated() {
-      return this.$store.getters['userSourceUser/isAuthenticated'](this.builder)
+    authProviders() {
+      return this.selectedUserSource?.auth_providers || []
+    },
+    appAuthProviderTypes() {
+      return this.$registry.getOrderedList('appAuthProvider')
+    },
+    appAuthProviderPerTypes() {
+      return Object.fromEntries(
+        this.appAuthProviderTypes.map((authType) => {
+          return [
+            authType.type,
+            this.authProviders.filter(({ type }) => type === authType.type),
+          ]
+        })
+      )
     },
     loginOptions() {
       if (!this.selectedUserSourceType) {
@@ -141,68 +123,15 @@ export default {
     ...mapActions({
       actionForceUpdateElement: 'element/forceUpdate',
     }),
-    async onLogin(event) {
-      if (this.isAuthenticated) {
-        await this.$store.dispatch('userSourceUser/logoff', {
-          application: this.builder,
-        })
-      }
-
-      this.$v.$touch()
-      if (this.$v.$invalid) {
-        this.focusOnFirstError()
-        return
-      }
-      this.loading = true
-      this.hideError()
-      try {
-        await this.$store.dispatch('userSourceUser/authenticate', {
-          application: this.builder,
-          userSource: this.selectedUserSource,
-          credentials: {
-            email: this.values.email,
-            password: this.values.password,
-          },
-          setCookie: this.mode === 'public',
-        })
-        this.values.password = ''
-        this.values.email = ''
-        this.$v.$reset()
-        this.fireEvent(
-          this.elementType.getEventByName(this.element, 'after_login')
-        )
-      } catch (error) {
-        if (error.handler) {
-          const response = error.handler.response
-          if (response && response.status === 401) {
-            this.values.password = ''
-            this.$v.$reset()
-            this.$v.$touch()
-            this.$refs.passwordRef.focus()
-
-            if (response.data?.error === 'ERROR_INVALID_CREDENTIALS') {
-              this.showError(
-                this.$t('error.incorrectCredentialTitle'),
-                this.$t('error.incorrectCredentialMessage')
-              )
-            }
-          } else {
-            const message = error.handler.getMessage('login')
-            this.showError(message)
-          }
-
-          error.handler.handled()
-        } else {
-          throw error
-        }
-      }
-      this.loading = false
+    hasAtLeastOneProvider(authProviderType) {
+      return (
+        this.appAuthProviderPerTypes[authProviderType.getType()]?.length > 0
+      )
     },
-  },
-  validations: {
-    values: {
-      email: { required, email },
-      password: { required },
+    afterLogin() {
+      this.fireEvent(
+        this.elementType.getEventByName(this.element, 'after_login')
+      )
     },
   },
 }

enterprise/web-frontend/modules/baserow_enterprise/components/admin/contexts/CreateAuthProviderContext.vue

@@ -10,8 +10,8 @@
           class="context__menu-item-link"
           @click="$emit('create', authProviderType)"
         >
-          <AuthProviderIcon :icon="getIcon(authProviderType)" />
-          {{ getName(authProviderType) }}
+          <AuthProviderIcon :icon="authProviderType.getIcon()" />
+          {{ authProviderType.getName() }}
         </a>
       </li>
     </ul>
@@ -32,13 +32,5 @@ export default {
       required: true,
     },
   },
-  methods: {
-    getIcon(providerType) {
-      return this.$registry.get('authProvider', providerType.type).getIcon()
-    },
-    getName(providerType) {
-      return this.$registry.get('authProvider', providerType.type).getName()
-    },
-  },
 }
 </script>

enterprise/web-frontend/modules/baserow_enterprise/components/admin/forms/GitLabSettingsForm.vue

@@ -107,59 +107,25 @@
 
 <script>
 import { required, url } from 'vuelidate/lib/validators'
-import form from '@baserow/modules/core/mixins/form'
+import authProviderForm from '@baserow/modules/core/mixins/authProviderForm'
 
 export default {
   name: 'GitLabSettingsForm',
-  mixins: [form],
-  props: {
-    authProvider: {
-      type: Object,
-      required: false,
-      default: () => ({}),
-    },
-  },
+  mixins: [authProviderForm],
   data() {
     return {
       allowedValues: ['name', 'base_url', 'client_id', 'secret'],
       values: {
         name: '',
-        base_url: '',
+        base_url: 'https://gitlab.com',
         client_id: '',
         secret: '',
       },
     }
   },
   computed: {
-    providerName() {
-      return this.$registry
-        .get('authProvider', 'gitlab')
-        .getProviderName(this.authProvider)
-    },
     callbackUrl() {
-      if (!this.authProvider.id) {
-        const nextProviderId =
-          this.$store.getters['authProviderAdmin/getNextProviderId']
-        return `${this.$config.PUBLIC_BACKEND_URL}/api/sso/oauth2/callback/${nextProviderId}/`
-      }
-      return `${this.$config.PUBLIC_BACKEND_URL}/api/sso/oauth2/callback/${this.authProvider.id}/`
-    },
-  },
-  methods: {
-    getDefaultValues() {
-      return {
-        name: this.providerName,
-        base_url: this.authProvider.base_url || 'https://gitlab.com',
-        client_id: this.authProvider.client_id || '',
-        secret: this.authProvider.secret || '',
-      }
-    },
-    submit() {
-      this.$v.$touch()
-      if (this.$v.$invalid) {
-        return
-      }
-      this.$emit('submit', this.values)
+      return this.authProviderType.getCallbackUrl(this.authProvider)
     },
   },
   validations() {

enterprise/web-frontend/modules/baserow_enterprise/components/admin/forms/OAuth2SettingsForm.vue

@@ -81,23 +81,11 @@
 
 <script>
 import { required } from 'vuelidate/lib/validators'
-import form from '@baserow/modules/core/mixins/form'
+import authProviderForm from '@baserow/modules/core/mixins/authProviderForm'
 
 export default {
   name: 'OAuth2SettingsForm',
-  mixins: [form],
-  props: {
-    authProvider: {
-      type: Object,
-      required: false,
-      default: () => ({}),
-    },
-    authProviderType: {
-      type: String,
-      required: false,
-      default: null,
-    },
-  },
+  mixins: [authProviderForm],
   data() {
     return {
       allowedValues: ['name', 'client_id', 'secret'],
@@ -109,37 +97,8 @@ export default {
     }
   },
   computed: {
-    providerName() {
-      const type = this.authProviderType
-        ? this.authProviderType
-        : this.authProvider.type
-      return this.$registry
-        .get('authProvider', type)
-        .getProviderName(this.authProvider)
-    },
     callbackUrl() {
-      if (!this.authProvider.id) {
-        const nextProviderId =
-          this.$store.getters['authProviderAdmin/getNextProviderId']
-        return `${this.$config.PUBLIC_BACKEND_URL}/api/sso/oauth2/callback/${nextProviderId}/`
-      }
-      return `${this.$config.PUBLIC_BACKEND_URL}/api/sso/oauth2/callback/${this.authProvider.id}/`
-    },
-  },
-  methods: {
-    getDefaultValues() {
-      return {
-        name: this.providerName,
-        client_id: this.authProvider.client_id || '',
-        secret: this.authProvider.secret || '',
-      }
-    },
-    submit() {
-      this.$v.$touch()
-      if (this.$v.$invalid) {
-        return
-      }
-      this.$emit('submit', this.values)
+      return this.authProviderType.getCallbackUrl(this.authProvider)
     },
   },
   validations() {

enterprise/web-frontend/modules/baserow_enterprise/components/admin/forms/OpenIdConnectSettingsForm.vue

@@ -109,23 +109,11 @@
 
 <script>
 import { required, url } from 'vuelidate/lib/validators'
-import form from '@baserow/modules/core/mixins/form'
+import authProviderForm from '@baserow/modules/core/mixins/authProviderForm'
 
 export default {
   name: 'OpenIdConnectSettingsForm',
-  mixins: [form],
-  props: {
-    authProvider: {
-      type: Object,
-      required: false,
-      default: () => ({}),
-    },
-    serverErrors: {
-      type: Object,
-      required: false,
-      default: () => ({}),
-    },
-  },
+  mixins: [authProviderForm],
   data() {
     return {
       allowedValues: ['name', 'base_url', 'client_id', 'secret'],
@@ -139,42 +127,7 @@ export default {
   },
   computed: {
     callbackUrl() {
-      if (!this.authProvider.id) {
-        const nextProviderId =
-          this.$store.getters['authProviderAdmin/getNextProviderId']
-        return `${this.$config.PUBLIC_BACKEND_URL}/api/sso/oauth2/callback/${nextProviderId}/`
-      }
-      return `${this.$config.PUBLIC_BACKEND_URL}/api/sso/oauth2/callback/${this.authProvider.id}/`
-    },
-  },
-  methods: {
-    getDefaultValues() {
-      return {
-        name: this.authProvider.name || '',
-        base_url: this.authProvider.base_url || '',
-        client_id: this.authProvider.client_id || '',
-        secret: this.authProvider.secret || '',
-      }
-    },
-    submit() {
-      this.$v.$touch()
-      if (this.$v.$invalid) {
-        return
-      }
-      this.$emit('submit', this.values)
-    },
-    handleServerError(error) {
-      if (error.handler.code === 'ERROR_INVALID_PROVIDER_URL') {
-        this.serverErrors.baseUrl = error.handler.detail
-        return true
-      }
-
-      if (error.handler.code !== 'ERROR_REQUEST_BODY_VALIDATION') return false
-
-      for (const [key, value] of Object.entries(error.handler.detail || {})) {
-        this.serverErrors[key] = value
-      }
-      return true
+      return this.authProviderType.getCallbackUrl(this.authProvider)
     },
   },
   validations() {

enterprise/web-frontend/modules/baserow_enterprise/components/admin/forms/SamlSettingsForm.vue

@@ -21,9 +21,9 @@
         ref="domain"
         v-model="values.domain"
         size="large"
-        :error="fieldHasErrors('domain') || serverErrors.domain"
+        :error="fieldHasErrors('domain') || !!serverErrors.domain"
         :placeholder="$t('samlSettingsForm.domainPlaceholder')"
-        @input="serverErrors.domain = null"
+        @input="onDomainInput()"
         @blur="$v.values.domain.$touch()"
       ></FormInput>
       <template #error>
@@ -50,16 +50,16 @@
       small-label
       required
       :label="$t('samlSettingsForm.metadata')"
-      :error="fieldHasErrors('metadata')"
+      :error="fieldHasErrors('metadata') || !!serverErrors.metadata"
       class="margin-bottom-2"
     >
       <FormTextarea
         ref="metadata"
         v-model="values.metadata"
-        :rows="12"
-        :error="fieldHasErrors('metadata') || serverErrors.metadata"
+        :rows="8"
+        :error="fieldHasErrors('metadata') || !!serverErrors.metadata"
         :placeholder="$t('samlSettingsForm.metadataPlaceholder')"
-        @input="serverErrors.metadata = null"
+        @input="onMetadataInput()"
         @blur="$v.values.metadata.$touch()"
       ></FormTextarea>
 
@@ -73,23 +73,25 @@
       </template>
     </FormGroup>
 
-    <FormGroup
-      small-label
-      required
-      :label="$t('samlSettingsForm.relayStateUrl')"
-      class="margin-bottom-2"
-    >
-      <code>{{ getRelayStateUrl() }}</code>
-    </FormGroup>
+    <slot name="config">
+      <FormGroup
+        small-label
+        required
+        :label="$t('samlSettingsForm.relayStateUrl')"
+        class="margin-bottom-2"
+      >
+        <code>{{ getRelayStateUrl() }}</code>
+      </FormGroup>
 
-    <FormGroup
-      small-label
-      required
-      :label="$t('samlSettingsForm.acsUrl')"
-      class="margin-bottom-2"
-    >
-      <code>{{ getAcsUrl() }}</code>
-    </FormGroup>
+      <FormGroup
+        small-label
+        required
+        :label="$t('samlSettingsForm.acsUrl')"
+        class="margin-bottom-2"
+      >
+        <code>{{ getAcsUrl() }}</code>
+      </FormGroup>
+    </slot>
 
     <Expandable card class="margin-bottom-2">
       <template #header="{ toggle, expanded }">
@@ -110,7 +112,7 @@
           </div>
           <div>
             {{
-              usingDefaultAttrs()
+              usingDefaultAttrs
                 ? $t('samlSettingsForm.defaultAttrs')
                 : $t('samlSettingsForm.customAttrs')
             }}
@@ -190,7 +192,7 @@
 
 <script>
 import { maxLength, required, helpers } from 'vuelidate/lib/validators'
-import form from '@baserow/modules/core/mixins/form'
+import authProviderForm from '@baserow/modules/core/mixins/authProviderForm'
 
 const alphanumericDotDashUnderscore = helpers.regex(
   'alphanumericDotDashUnderscore',
@@ -199,41 +201,32 @@ const alphanumericDotDashUnderscore = helpers.regex(
 
 export default {
   name: 'SamlSettingsForm',
-  mixins: [form],
-  props: {
-    authProvider: {
-      type: Object,
-      required: false,
-      default: () => ({}),
-    },
-    authProviderType: {
-      type: String,
-      required: false,
-      default: null,
-    },
-  },
+  mixins: [authProviderForm],
   data() {
     return {
-      allowedValues: ['domain', 'metadata'],
-      serverErrors: {},
+      allowedValues: [
+        'domain',
+        'metadata',
+        'email_attr_key',
+        'first_name_attr_key',
+        'last_name_attr_key',
+      ],
       values: {
         domain: '',
         metadata: '',
-        email_attr_key: '',
-        first_name_attr_key: '',
-        last_name_attr_key: '',
+        email_attr_key: 'user.email',
+        first_name_attr_key: 'user.first_name',
+        last_name_attr_key: 'user.last_name',
       },
     }
   },
   computed: {
+    allSamlProviders() {
+      return this.authProviders.saml || []
+    },
     samlDomains() {
-      const samlAuthProviders =
-        this.$store.getters['authProviderAdmin/getAll'].saml?.authProviders ||
-        []
-      return samlAuthProviders
-        .filter(
-          (authProvider) => authProvider.domain !== this.authProvider.domain
-        )
+      return this.allSamlProviders
+        .filter((authProvider) => authProvider.id !== this.authProvider.id)
         .map((authProvider) => authProvider.domain)
     },
     defaultAttrs() {
@@ -244,10 +237,8 @@ export default {
       }
     },
     type() {
-      return this.authProviderType || this.authProvider.type
+      return this.authProviderType.getType()
     },
-  },
-  methods: {
     usingDefaultAttrs() {
       return (
         this.values.email_attr_key === this.defaultAttrs.email_attr_key &&
@@ -256,20 +247,13 @@ export default {
         this.values.last_name_attr_key === this.defaultAttrs.last_name_attr_key
       )
     },
-    getDefaultValues() {
-      const authProviderAttrs = {
-        email_attr_key: this.authProvider.email_attr_key,
-        first_name_attr_key: this.authProvider.first_name_attr_key,
-        last_name_attr_key: this.authProvider.last_name_attr_key,
-      }
-      const samlAttrs = this.authProvider.id
-        ? authProviderAttrs
-        : this.defaultAttrs
-      return {
-        domain: this.authProvider.domain || '',
-        metadata: this.authProvider.metadata || '',
-        ...samlAttrs,
-      }
+  },
+  methods: {
+    onDomainInput() {
+      this.serverErrors.domain = null
+    },
+    onMetadataInput() {
+      this.serverErrors.metadata = null
     },
     getFieldErrorMsg(fieldName) {
       if (!this.$v.values[fieldName].$dirty) {
@@ -285,33 +269,17 @@ export default {
       }
     },
     getRelayStateUrl() {
-      return this.$store.getters['authProviderAdmin/getType'](this.type)
-        .relayStateUrl
+      return this.authProviderType.getRelayStateUrl()
     },
     getAcsUrl() {
-      return this.$store.getters['authProviderAdmin/getType'](this.type).acsUrl
+      return this.authProviderType.getAcsUrl()
     },
     getVerifiedIcon() {
-      return this.$registry.get('authProvider', this.type).getVerifiedIcon()
-    },
-    submit() {
-      this.$v.$touch()
-      if (this.$v.$invalid) {
-        return
-      }
-      this.$emit('submit', this.values)
+      return this.authProviderType.getVerifiedIcon()
     },
     mustHaveUniqueDomain(domain) {
       return !this.samlDomains.includes(domain.trim())
     },
-    handleServerError(error) {
-      if (error.handler.code !== 'ERROR_REQUEST_BODY_VALIDATION') return false
-
-      for (const [key, value] of Object.entries(error.handler.detail || {})) {
-        this.serverErrors[key] = value
-      }
-      return true
-    },
   },
   validations() {
     return {

enterprise/web-frontend/modules/baserow_enterprise/components/admin/modals/CreateAuthProviderModal.vue

@@ -3,14 +3,15 @@
     <h2 class="box__title">
       {{
         $t('createSettingsAuthProviderModal.title', {
-          type: getProviderTypeName(),
+          type: authProviderType.getName(),
         })
       }}
     </h2>
-    <div v-if="authProviderType">
+    <div>
       <component
         :is="getProviderAdminSettingsFormComponent()"
         ref="providerSettingsForm"
+        :auth-providers="appAuthProviderPerTypes"
         :auth-provider-type="authProviderType"
         @submit="create($event)"
       >
@@ -21,8 +22,8 @@
             </li>
           </ul>
           <Button type="primary" :disabled="loading" :loading="loading">
-            {{ $t('action.create') }}</Button
-          >
+            {{ $t('action.create') }}
+          </Button>
         </div>
       </component>
     </div>
@@ -38,9 +39,8 @@ export default {
   mixins: [modal],
   props: {
     authProviderType: {
-      type: String,
-      required: false,
-      default: null,
+      type: Object,
+      required: true,
     },
   },
   data() {
@@ -48,23 +48,30 @@ export default {
       loading: false,
     }
   },
+  computed: {
+    authProviders() {
+      return this.$store.getters['authProviderAdmin/getAll']
+    },
+    appAuthProviderPerTypes() {
+      return Object.fromEntries(
+        this.$registry
+          .getOrderedList('authProvider')
+          .map((authProviderType) => [
+            authProviderType.getType(),
+            this.authProviders[authProviderType.getType()].authProviders,
+          ])
+      )
+    },
+  },
   methods: {
     getProviderAdminSettingsFormComponent() {
-      return this.$registry
-        .get('authProvider', this.authProviderType)
-        .getAdminSettingsFormComponent()
-    },
-    getProviderTypeName() {
-      if (!this.authProviderType) return ''
-
-      return this.$registry.get('authProvider', this.authProviderType).getName()
+      return this.authProviderType.getAdminSettingsFormComponent()
     },
     async create(values) {
       this.loading = true
-      this.serverErrors = {}
       try {
         await this.$store.dispatch('authProviderAdmin/create', {
-          type: this.authProviderType,
+          type: this.authProviderType.getType(),
           values,
         })
         this.$emit('created')

enterprise/web-frontend/modules/baserow_enterprise/components/admin/modals/UpdateSettingsAuthProviderModal.vue

@@ -11,7 +11,10 @@
       <component
         :is="getProviderAdminSettingsFormComponent()"
         ref="providerSettingsForm"
+        :auth-providers="appAuthProviderPerTypes"
         :auth-provider="authProvider"
+        :default-values="authProvider"
+        :auth-provider-type="authProviderType"
         @submit="onSettingsUpdated"
       >
         <div class="actions">
@@ -22,8 +25,8 @@
           </ul>
 
           <Button type="primary" :disabled="loading" :loading="loading">
-            {{ $t('action.save') }}</Button
-          >
+            {{ $t('action.save') }}
+          </Button>
         </div>
       </component>
     </div>
@@ -48,16 +51,30 @@ export default {
       loading: false,
     }
   },
+  computed: {
+    authProviderType() {
+      return this.$registry.get('authProvider', this.authProvider.type)
+    },
+    authProviders() {
+      return this.$store.getters['authProviderAdmin/getAll']
+    },
+    appAuthProviderPerTypes() {
+      return Object.fromEntries(
+        this.$registry
+          .getOrderedList('authProvider')
+          .map((authProviderType) => [
+            authProviderType.getType(),
+            this.authProviders[authProviderType.getType()].authProviders,
+          ])
+      )
+    },
+  },
   methods: {
     getProviderAdminSettingsFormComponent() {
-      return this.$registry
-        .get('authProvider', this.authProvider.type)
-        .getAdminSettingsFormComponent()
+      return this.authProviderType.getAdminSettingsFormComponent()
     },
     getProviderName() {
-      return this.$registry
-        .get('authProvider', this.authProvider.type)
-        .getProviderName(this.authProvider)
+      return this.authProviderType.getProviderName(this.authProvider)
     },
     async onSettingsUpdated(values) {
       this.loading = true

enterprise/web-frontend/modules/baserow_enterprise/integrations/appAuthProviderTypes.js

@@ -1,5 +1,10 @@
 import { AppAuthProviderType } from '@baserow/modules/core/appAuthProviderTypes'
+import { SamlAuthProviderTypeMixin } from '@baserow_enterprise/authProviderTypes'
+
 import LocalBaserowUserSourceForm from '@baserow_enterprise/integrations/localBaserow/components/appAuthProviders/LocalBaserowPasswordAppAuthProviderForm'
+import LocalBaserowAuthPassword from '@baserow_enterprise/integrations/localBaserow/components/appAuthProviders/LocalBaserowAuthPassword'
+import CommonSamlSettingForm from '@baserow_enterprise/integrations/common/components/CommonSamlSettingForm'
+import SamlAuthLink from '@baserow_enterprise/integrations/common/components/SamlAuthLink'
 import { PasswordFieldType } from '@baserow/modules/database/fieldTypes'
 
 export class LocalBaserowPasswordAppAuthProviderType extends AppAuthProviderType {
@@ -11,6 +16,10 @@ export class LocalBaserowPasswordAppAuthProviderType extends AppAuthProviderType
     return this.app.i18n.t('appAuthProviderType.localBaserowPassword')
   }
 
+  get component() {
+    return LocalBaserowAuthPassword
+  }
+
   get formComponent() {
     return LocalBaserowUserSourceForm
   }
@@ -23,7 +32,91 @@ export class LocalBaserowPasswordAppAuthProviderType extends AppAuthProviderType
     return [PasswordFieldType.getType()]
   }
 
+  getLoginOptions(authProvider) {
+    if (authProvider.password_field_id) {
+      return {}
+    }
+    return null
+  }
+
+  /**
+   * We can create only one password provider.
+   */
+  canCreateNew(appAuthProviders) {
+    return (
+      !appAuthProviders[this.getType()] ||
+      appAuthProviders[this.getType()].length === 0
+    )
+  }
+
   getOrder() {
     return 10
   }
 }
+
+export class SamlAppAuthProviderType extends SamlAuthProviderTypeMixin(
+  AppAuthProviderType
+) {
+  get name() {
+    return this.app.i18n.t('appAuthProviderType.commonSaml')
+  }
+
+  get component() {
+    return SamlAuthLink
+  }
+
+  get formComponent() {
+    return CommonSamlSettingForm
+  }
+
+  handleServerError(vueComponentInstance, error) {
+    if (error.handler.code !== 'ERROR_REQUEST_BODY_VALIDATION') return false
+
+    if (error.handler.detail?.auth_providers?.length > 0) {
+      const flatProviders = Object.entries(vueComponentInstance.authProviders)
+        .map(([, providers]) => providers)
+        .flat()
+        // Sort per ID to make sure we have the same order
+        // as the backend
+        .sort((a, b) => a.id - b.id)
+
+      for (const [
+        index,
+        authError,
+      ] of error.handler.detail.auth_providers.entries()) {
+        if (
+          Object.keys(authError).length > 0 &&
+          flatProviders[index].id === vueComponentInstance.authProvider.id
+        ) {
+          vueComponentInstance.serverErrors = {
+            ...vueComponentInstance.serverErrors,
+            ...authError,
+          }
+          return true
+        }
+      }
+    }
+
+    return false
+  }
+
+  getAuthToken(userSource, authProvider, route) {
+    // token can be in the query string (SSO) or in the cookies (previous session)
+    // We use the user source id in order to prevent conflicts when using multiple
+    // auth forms on the same page.
+    const queryParamName = `user_source_saml_token__${userSource.id}`
+    return route.query[queryParamName]
+  }
+
+  handleError(userSource, authProvider, route) {
+    const queryParamName = `saml_error__${userSource.id}`
+    const errorCode = route.query[queryParamName]
+    if (errorCode) {
+      return { message: this.app.i18n.t(`loginError.${errorCode}`), code: 500 }
+    }
+  }
+
+  getOrder() {
+    return 20
+  }
+}

enterprise/web-frontend/modules/baserow_enterprise/integrations/common/components/CommonSamlSettingForm.vue

@@ -0,0 +1,83 @@
+<template>
+  <div>
+    <div
+      class="common-saml-setting-form"
+      :class="{ 'common-saml-setting-form--error': inError }"
+    >
+      <Presentation
+        class="flex-grow-1"
+        :title="authProviderType.getProviderName(authProvider)"
+        size="medium"
+        avatar-color="neutral"
+        :image="authProviderType.getIcon()"
+        @click="onEdit"
+      />
+      <div class="common-saml-setting-form__actions">
+        <ButtonIcon
+          type="secondary"
+          icon="iconoir-edit"
+          @click.prevent="onEdit"
+        />
+        <ButtonIcon
+          type="secondary"
+          icon="iconoir-bin"
+          @click.prevent="onDelete"
+        />
+      </div>
+    </div>
+    <div v-if="inError" class="error">
+      {{ $t('commonSamlSettingForm.authProviderInError') }}
+    </div>
+    <CommonSamlSettingModal
+      ref="samlModal"
+      v-bind="$props"
+      :integration="integration"
+      :user-source="userSource"
+      @form-valid="onFormValid($event)"
+      v-on="$listeners"
+    ></CommonSamlSettingModal>
+  </div>
+</template>
+
+<script>
+import authProviderForm from '@baserow/modules/core/mixins/authProviderForm'
+import CommonSamlSettingModal from '@baserow_enterprise/integrations/common/components/CommonSamlSettingModal'
+
+export default {
+  name: 'CommonSamlSettingForm',
+  components: { CommonSamlSettingModal },
+  mixins: [authProviderForm],
+  inject: ['builder'],
+  props: {
+    integration: {
+      type: Object,
+      required: true,
+    },
+    userSource: {
+      type: Object,
+      required: true,
+    },
+  },
+  data() {
+    return { inError: false }
+  },
+  methods: {
+    onFormValid(value) {
+      this.inError = !value
+    },
+    onEdit() {
+      this.$refs.samlModal.show()
+    },
+    onDelete() {
+      this.$emit('delete')
+    },
+    handleServerError(error) {
+      if (this.$refs.samlModal.handleServerError(error)) {
+        this.inError = true
+        return true
+      }
+      return false
+    },
+  },
+}
+</script>

enterprise/web-frontend/modules/baserow_enterprise/integrations/common/components/CommonSamlSettingModal.vue

@@ -0,0 +1,172 @@
+<template>
+  <Modal ref="modal" keep-content @hidden="onHide">
+    <h2 class="box__title">{{ $t('commonSamlSettingModal.title') }}</h2>
+    <div>
+      <SamlSettingsForm
+        v-bind="$props"
+        ref="samlForm"
+        @values-changed="checkValidity"
+        v-on="$listeners"
+      >
+        <template #config>
+          <FormGroup
+            small-label
+            required
+            :label="$t('commonSamlSettingModal.relayStateTitle')"
+            class="margin-bottom-2"
+          >
+            <div class="common-saml-setting-modal__url-block">
+              <div
+                v-for="conf in config"
+                :key="conf.name"
+                class="common-saml-setting-modal__url"
+                @click.prevent="
+                  ;[copyToClipboard(conf.relay), $refs.copiedRelay.show()]
+                "
+              >
+                <span class="common-saml-setting-modal__url-domain">
+                  {{ conf.name }}
+                </span>
+                <span
+                  class="common-saml-setting-modal__url-dest"
+                  :title="conf.relay"
+                >
+                  {{ conf.relay }}
+                </span>
+              </div>
+              <Copied ref="copiedRelay"></Copied>
+            </div>
+          </FormGroup>
+
+          <FormGroup
+            small-label
+            required
+            :label="$t('commonSamlSettingModal.acsTitle')"
+            class="margin-bottom-2"
+          >
+            <div class="common-saml-setting-modal__url-block">
+              <div
+                v-for="conf in config"
+                :key="conf.name"
+                class="common-saml-setting-modal__url"
+                @click.prevent="
+                  ;[copyToClipboard(conf.acs), $refs.copiedACS.show()]
+                "
+              >
+                <span class="common-saml-setting-modal__url-domain">
+                  {{ conf.name }}
+                </span>
+                <span
+                  class="common-saml-setting-modal__url-dest"
+                  :title="conf.acs"
+                >
+                  {{ conf.acs }}
+                </span>
+              </div>
+              <Copied ref="copiedACS"></Copied>
+            </div>
+          </FormGroup>
+        </template>
+      </SamlSettingsForm>
+      <div class="actions actions--right">
+        <Button size="large" @click.prevent="$refs.modal.hide()">
+          {{ $t('action.close') }}
+        </Button>
+      </div>
+    </div>
+  </Modal>
+</template>
+
+<script>
+import SamlSettingsForm from '@baserow_enterprise/components/admin/forms/SamlSettingsForm'
+import authProviderForm from '@baserow/modules/core/mixins/authProviderForm'
+import error from '@baserow/modules/core/mixins/error'
+import { copyToClipboard } from '@baserow/modules/database/utils/clipboard'
+import { mapActions, mapGetters } from 'vuex'
+import modal from '@baserow/modules/core/mixins/modal'
+
+export default {
+  name: 'CommonSamlSettingsModal',
+  components: { SamlSettingsForm },
+  mixins: [error, authProviderForm, modal],
+  inject: ['builder'],
+  props: {
+    integration: {
+      type: Object,
+      required: true,
+    },
+    userSource: {
+      type: Object,
+      required: true,
+    },
+  },
+  async fetch() {
+    try {
+      await this.actionFetchDomains({ builderId: this.builder.id })
+    } catch (error) {
+      this.handleError(error)
+    }
+  },
+  watch: {
+    '$v.$anyDirty'() {
+      // Force validity refresh on child touch
+      this.checkValidity()
+    },
+  },
+  computed: {
+    ...mapGetters({ domains: 'domain/getDomains' }),
+    config() {
+      const previewRelay = `${this.$config.PUBLIC_WEB_FRONTEND_URL}/builder/${this.builder.id}/preview/`
+      const previewACS = `${this.$config.PUBLIC_BACKEND_URL}/api/user-source/${this.userSource.uid}/sso/saml/acs/`
+      const preview = [
+        {
+          name: this.$t('commonSamlSettingModal.preview'),
+          acs: previewACS,
+          relay: previewRelay,
+        },
+      ]
+
+      const others = this.domains.map((domain) => ({
+        name: domain.domain_name,
+        acs: `${this.$config.PUBLIC_BACKEND_URL}/api/user-source/domain_${domain.id}__${this.userSource.uid}/sso/saml/acs/`,
+        relay: this.getDomainUrl(domain),
+      }))
+      return [...preview, ...others]
+    },
+  },
+  methods: {
+    ...mapActions({
+      actionFetchDomains: 'domain/fetch',
+    }),
+    copyToClipboard(value) {
+      copyToClipboard(value)
+    },
+    onHide() {
+      this.checkValidity()
+    },
+    checkValidity() {
+      if (
+        !this.$refs.samlForm.isFormValid() &&
+        this.$refs.samlForm.$v.$anyDirty
+      ) {
+        this.$emit('form-valid', false)
+      } else {
+        this.$emit('form-valid', true)
+      }
+    },
+    getDomainUrl(domain) {
+      const url = new URL(this.$config.PUBLIC_WEB_FRONTEND_URL)
+      return `${url.protocol}//${domain.domain_name}${
+        url.port ? `:${url.port}` : ''
+      }`
+    },
+    handleServerError(error) {
+      return this.$refs.samlForm.handleServerError(error)
+    },
+  },
+  validations() {
+    // Keep this to get the `$v` property
+    return {}
+  },
+}
+</script>

enterprise/web-frontend/modules/baserow_enterprise/integrations/common/components/SamlAuthLink.vue

@@ -0,0 +1,135 @@
+<template>
+  <div class="saml-auth-link">
+    <ABButton @click.prevent="onClick()">
+      {{ buttonLabel }}
+    </ABButton>
+    <Modal ref="modal">
+      <ThemeProvider>
+        <form @submit.prevent="">
+          <ABFormGroup
+            v-if="hasMultipleSamlProvider"
+            :label="$t('samlAuthLink.provideEmail')"
+            :error-message="
+              $v.values.email.$dirty
+                ? !$v.values.email.required
+                  ? $t('error.requiredField')
+                  : !$v.values.email.email
+                  ? $t('error.invalidEmail')
+                  : ''
+                : ''
+            "
+            :autocomplete="isEditMode ? 'off' : ''"
+            required
+          >
+            <ABInput
+              v-model="values.email"
+              :placeholder="$t('samlAuthLink.emailPlaceholder')"
+              @blur="$v.values.email.$touch()"
+            />
+          </ABFormGroup>
+          <div class="saml-auth-link__modal-footer">
+            <ABButton class="margin-top-2" @click.prevent.stop="login()">
+              {{ buttonLabel }}
+            </ABButton>
+          </div>
+        </form>
+      </ThemeProvider>
+    </Modal>
+  </div>
+</template>
+
+<script>
+import form from '@baserow/modules/core/mixins/form'
+import error from '@baserow/modules/core/mixins/error'
+import { required, email } from 'vuelidate/lib/validators'
+import ThemeProvider from '@baserow/modules/builder/components/theme/ThemeProvider'
+
+export default {
+  components: { ThemeProvider },
+  mixins: [form, error],
+  inject: ['builder', 'mode'],
+  props: {
+    userSource: { type: Object, required: true },
+    authProviders: {
+      type: Array,
+      required: true,
+    },
+    loginButtonLabel: {
+      type: String,
+      required: true,
+    },
+  },
+  data() {
+    return {
+      loading: false,
+      values: { email: '' },
+    }
+  },
+  computed: {
+    isAuthenticated() {
+      return this.$store.getters['userSourceUser/isAuthenticated'](this.builder)
+    },
+    hasMultipleSamlProvider() {
+      return this.authProviders.length > 1
+    },
+    isEditMode() {
+      return this.mode === 'editing'
+    },
+    buttonLabel() {
+      return this.$t('samlAuthLink.placeholderWithSaml', {
+        login: this.loginButtonLabel,
+      })
+    },
+  },
+  methods: {
+    async onClick() {
+      if (this.hasMultipleSamlProvider) {
+        this.$refs.modal.show()
+      } else {
+        await this.login()
+      }
+    },
+    async login() {
+      if (this.isAuthenticated) {
+        await this.$store.dispatch('userSourceUser/logoff', {
+          application: this.builder,
+        })
+      }
+
+      if (this.hasMultipleSamlProvider) {
+        this.$v.$touch()
+
+        if (this.$v.$invalid) {
+          this.focusOnFirstError()
+          return
+        }
+      }
+
+      this.loading = true
+      this.hideError()
+
+      const dest = `${
+        this.$config.PUBLIC_BACKEND_URL
+      }/api/user-source/${encodeURIComponent(
+        this.userSource.uid
+      )}/sso/saml/login/`
+
+      const urlWithParams = new URL(dest)
+
+      if (this.hasMultipleSamlProvider) {
+        urlWithParams.searchParams.append('email', this.values.email)
+      }
+
+      // Add the current url as get parameter to be redirected here after the login.
+      urlWithParams.searchParams.append('original', window.location)
+
+      window.location = urlWithParams.toString()
+    },
+  },
+  validations: {
+    values: {
+      email: { required, email },
+    },
+  },
+}
+</script>

enterprise/web-frontend/modules/baserow_enterprise/integrations/localBaserow/components/appAuthProviders/LocalBaserowAuthPassword.vue

@@ -0,0 +1,148 @@
+<template>
+  <form class="auth-form-element" @submit.prevent="onLogin">
+    <Error :error="error"></Error>
+    <ABFormGroup
+      :label="$t('authFormElement.email')"
+      :error-message="
+        $v.values.email.$dirty
+          ? !$v.values.email.required
+            ? $t('error.requiredField')
+            : !$v.values.email.email
+            ? $t('error.invalidEmail')
+            : ''
+          : ''
+      "
+      :autocomplete="isEditMode ? 'off' : ''"
+      required
+    >
+      <ABInput
+        v-model="values.email"
+        :placeholder="$t('authFormElement.emailPlaceholder')"
+        @blur="$v.values.email.$touch()"
+      />
+    </ABFormGroup>
+    <ABFormGroup
+      :label="$t('authFormElement.password')"
+      :error-message="
+        $v.values.password.$dirty
+          ? !$v.values.password.required
+            ? $t('error.requiredField')
+            : ''
+          : ''
+      "
+      required
+    >
+      <ABInput
+        ref="passwordRef"
+        v-model="values.password"
+        type="password"
+        :placeholder="$t('authFormElement.passwordPlaceholder')"
+        @blur="$v.values.password.$touch()"
+      />
+    </ABFormGroup>
+    <div class="auth-form__footer">
+      <ABButton :disabled="$v.$error" :loading="loading" size="large">
+        {{ loginButtonLabel }}
+      </ABButton>
+    </div>
+  </form>
+</template>
+
+<script>
+import form from '@baserow/modules/core/mixins/form'
+import error from '@baserow/modules/core/mixins/error'
+import { required, email } from 'vuelidate/lib/validators'
+
+export default {
+  mixins: [form, error],
+  inject: ['builder', 'mode'],
+  props: {
+    userSource: { type: Object, required: true },
+    authProviders: {
+      type: Array,
+      required: true,
+    },
+    loginButtonLabel: {
+      type: String,
+      required: true,
+    },
+  },
+  data() {
+    return {
+      loading: false,
+      values: { email: '', password: '' },
+    }
+  },
+  computed: {
+    isAuthenticated() {
+      return this.$store.getters['userSourceUser/isAuthenticated'](this.builder)
+    },
+    isEditMode() {
+      return this.mode === 'editing'
+    },
+  },
+  methods: {
+    async onLogin(event) {
+      if (this.isAuthenticated) {
+        await this.$store.dispatch('userSourceUser/logoff', {
+          application: this.builder,
+        })
+      }
+
+      this.$v.$touch()
+      if (this.$v.$invalid) {
+        this.focusOnFirstError()
+        return
+      }
+      this.loading = true
+      this.hideError()
+      try {
+        await this.$store.dispatch('userSourceUser/authenticate', {
+          application: this.builder,
+          userSource: this.userSource,
+          credentials: {
+            email: this.values.email,
+            password: this.values.password,
+          },
+          setCookie: this.mode === 'public',
+        })
+        this.values.password = ''
+        this.values.email = ''
+        this.$v.$reset()
+        this.$emit('after-login')
+      } catch (error) {
+        if (error.handler) {
+          const response = error.handler.response
+          if (response && response.status === 401) {
+            this.values.password = ''
+            this.$v.$reset()
+            this.$v.$touch()
+            this.$refs.passwordRef.focus()
+
+            if (response.data?.error === 'ERROR_INVALID_CREDENTIALS') {
+              this.showError(
+                this.$t('error.incorrectCredentialTitle'),
+                this.$t('error.incorrectCredentialMessage')
+              )
+            }
+          } else {
+            const message = error.handler.getMessage('login')
+            this.showError(message)
+          }
+
+          error.handler.handled()
+        } else {
+          throw error
+        }
+      }
+      this.loading = false
+    },
+  },
+  validations: {
+    values: {
+      email: { required, email },
+      password: { required },
+    },
+  },
+}
+</script>

enterprise/web-frontend/modules/baserow_enterprise/integrations/localBaserow/components/appAuthProviders/LocalBaserowPasswordAppAuthProviderForm.vue

@@ -5,7 +5,6 @@
       small-label
       horizontal
       horizontal-variable
-      class="margin-top-2"
       required
     >
       <Dropdown
@@ -32,16 +31,16 @@
 </template>
 
 <script>
-import form from '@baserow/modules/core/mixins/form'
+import authProviderForm from '@baserow/modules/core/mixins/authProviderForm'
 
 export default {
-  mixins: [form],
+  mixins: [authProviderForm],
   props: {
     integration: {
       type: Object,
       required: true,
     },
-    currentUserSource: {
+    userSource: {
       type: Object,
       required: true,
     },
@@ -55,9 +54,6 @@ export default {
     }
   },
   computed: {
-    authProviderType() {
-      return this.$registry.get('appAuthProvider', 'local_baserow_password')
-    },
     databases() {
       return this.integration.context_data.databases
     },
@@ -65,12 +61,12 @@ export default {
       return this.$registry.getAll('field')
     },
     selectedTable() {
-      if (!this.currentUserSource.table_id) {
+      if (!this.userSource.table_id) {
         return null
       }
       for (const database of this.databases) {
         for (const table of database.tables) {
-          if (table.id === this.currentUserSource.table_id) {
+          if (table.id === this.userSource.table_id) {
             return table
           }
         }
@@ -91,7 +87,7 @@ export default {
     },
   },
   watch: {
-    'currentUserSource.table_id'() {
+    'userSource.table_id'() {
       this.values.password_field_id = null
     },
   },

enterprise/web-frontend/modules/baserow_enterprise/integrations/userSourceTypes.js

@@ -117,17 +117,22 @@ export class LocalBaserowUserSourceType extends UserSourceType {
     if (!userSource.email_field_id || !userSource.name_field_id) {
       return {}
     }
-    if (userSource.auth_providers.length !== 1) {
-      return {}
-    }
-    const authProvider = userSource.auth_providers[0]
-    if (
-      authProvider.type !== 'local_baserow_password' ||
-      !authProvider.password_field_id
-    ) {
-      return {}
-    }
-    return { password: {} }
+
+    return userSource.auth_providers.reduce((acc, authProvider) => {
+      if (!acc[authProvider.type]) {
+        acc[authProvider.type] = []
+      }
+
+      const loginOptions = this.app.$registry
+        .get('appAuthProvider', authProvider.type)
+        .getLoginOptions(authProvider)
+
+      if (loginOptions) {
+        acc[authProvider.type].push(loginOptions)
+      }
+
+      return acc
+    }, {})
   }
 
   getOrder() {

enterprise/web-frontend/modules/baserow_enterprise/locales/en.json

@@ -95,14 +95,17 @@
     "addProvider": "Add provider"
   },
   "authProviderTypes": {
-    "password": "Email and password authentication"
+    "password": "Email and password authentication",
+    "saml": "SSO SAML provider",
+    "ssoSamlProviderName": "SSO SAML: {domain}",
+    "ssoSamlProviderNameUnconfigured": "Unconfigured SSO SAML"
   },
   "editAuthProviderMenuContext": {
     "edit": "Edit",
     "delete": "Delete"
   },
   "samlSettingsForm": {
-    "domain": "Domain",
+    "domain": "SAML Domain",
     "domainPlaceholder": "Insert the company domain name...",
     "invalidDomain": "Invalid domain name",
     "domainAlreadyExists": "A SAML provider for this domain already exists",
@@ -311,12 +314,22 @@
     "roleFieldPlaceholder": "Select a field..."
   },
   "appAuthProviderType": {
-    "localBaserowPassword": "Email/Password"
+    "localBaserowPassword": "Email/Password",
+    "commonSaml": "Saml SSO"
   },
   "localBaserowPasswordAppAuthProviderForm": {
     "passwordFieldLabel": "Select password field",
     "noFields": "No compatible fields"
   },
+  "commonSamlSettingModal": {
+    "title": "Edit provider",
+    "relayStateTitle": "Default Relay State URL per domain (Click to copy)",
+    "acsTitle": "Single Sign On URL per domain (Click to copy)",
+    "preview": "Preview"
+  },
+  "commonSamlSettingForm": {
+    "authProviderInError": "Please edit this provider to fix the error."
+  },
   "enterpriseSettings": {
     "branding": "Branding",
     "showBaserowHelpMessage": "Show help message",
@@ -383,5 +396,11 @@
     "projectIdHelper": "The ID of the project where you want to sync the issues from. Can be found by going to your project page (e.g. https://gitlab.com/baserow/baserow), click on the three dots in the top right corner, and then on 'Copy project ID: 12345678'.",
     "accessToken": "Access token",
     "accessTokenHelper": "Can be generated here https://gitlab.com/-/user_settings/personal_access_tokens by clicking on `Add new token`, select `read_api`."
+  },
+  "samlAuthLink": {
+    "loginWithSaml": "Login with SAML",
+    "placeholderWithSaml": "{login} with SAML",
+    "provideEmail": "Provide your SAML account email",
+    "emailPlaceholder": "Enter your email..."
   }
 }

enterprise/web-frontend/modules/baserow_enterprise/pages/admin/authProviders.vue

@@ -13,6 +13,7 @@
             @create="showCreateModal($event)"
           />
           <CreateAuthProviderModal
+            v-if="authProviderTypeToCreate"
             ref="createModal"
             :auth-provider-type="authProviderTypeToCreate"
             @created="$refs.createModal.hide()"
@@ -57,9 +58,15 @@ export default {
   },
   computed: {
     ...mapGetters({
+      authProviderMap: 'authProviderAdmin/getAll',
       authProviders: 'authProviderAdmin/getAllOrdered',
-      authProviderTypesCanBeCreated: 'authProviderAdmin/getCreatableTypes',
     }),
+    authProviderTypesCanBeCreated() {
+      return Object.values(this.$registry.getAll('authProvider')).filter(
+        (authProviderType) =>
+          authProviderType.canCreateNew(this.authProviderMap)
+      )
+    },
   },
   methods: {
     getAdminListComponent(authProvider) {
@@ -75,8 +82,10 @@ export default {
         4
       )
     },
-    showCreateModal(authProviderType) {
-      this.authProviderTypeToCreate = authProviderType.type
+    async showCreateModal(authProviderType) {
+      this.authProviderTypeToCreate = authProviderType
+      // Wait for the modal to appear in DOM
+      await this.$nextTick()
       this.$refs.createModal.show()
       this.$refs.createContext.hide()
     },

enterprise/web-frontend/modules/baserow_enterprise/plugin.js

@@ -27,7 +27,10 @@ import {
 } from '@baserow_enterprise/licenseTypes'
 import { EnterprisePlugin } from '@baserow_enterprise/plugins'
 import { LocalBaserowUserSourceType } from '@baserow_enterprise/integrations/userSourceTypes'
-import { LocalBaserowPasswordAppAuthProviderType } from '@baserow_enterprise/integrations/appAuthProviderTypes'
+import {
+  LocalBaserowPasswordAppAuthProviderType,
+  SamlAppAuthProviderType,
+} from '@baserow_enterprise/integrations/appAuthProviderTypes'
 import { AuthFormElementType } from '@baserow_enterprise/builder/elementTypes'
 import {
   EnterpriseAdminRoleType,
@@ -46,6 +49,8 @@ import {
   GitLabIssuesDataSyncType,
 } from '@baserow_enterprise/dataSyncTypes'
 
+import { FF_AB_SSO } from '@baserow/modules/core/plugins/featureFlags'
+
 export default (context) => {
   const { app, isDev, store } = context
 
@@ -115,6 +120,13 @@ export default (context) => {
     new LocalBaserowPasswordAppAuthProviderType(context)
   )
 
+  if (app.$featureFlagIsEnabled(FF_AB_SSO)) {
+    app.$registry.register(
+      'appAuthProvider',
+      new SamlAppAuthProviderType(context)
+    )
+  }
+
   app.$registry.register('roles', new EnterpriseAdminRoleType(context))
   app.$registry.register('roles', new EnterpriseMemberRoleType(context))
   app.$registry.register('roles', new EnterpriseBuilderRoleType(context))

enterprise/web-frontend/modules/baserow_enterprise/store/authProviderAdmin.js

@@ -118,15 +118,6 @@ export const getters = {
     }
     return authProviders
   },
-  getCreatableTypes: (state) => {
-    const items = []
-    for (const authProviderType of Object.values(state.items)) {
-      if (authProviderType.canCreateNewProviders) {
-        items.push(authProviderType)
-      }
-    }
-    return items
-  },
   getNextProviderId: (state) => {
     return state.nextProviderId
   },

web-frontend/modules/builder/components/PublicSiteErrorPage.vue

@@ -16,17 +16,7 @@
     </p>
     <p v-else class="placeholder__content">{{ content }}</p>
     <div class="placeholder__action">
-      <Button
-        type="primary"
-        icon="iconoir-home"
-        size="large"
-        @click="
-          $router.go({
-            name: 'application-builder-page',
-            params: { pathMatch: '/' },
-          })
-        "
-      >
+      <Button type="primary" icon="iconoir-home" size="large" @click="onHome()">
         {{ $t('action.backToHome') }}
       </Button>
     </div>
@@ -62,5 +52,15 @@ export default {
       return this.error.content || this.$t('errorLayout.error')
     },
   },
+  methods: {
+    onHome() {
+      this.$router.push({
+        name: 'application-builder-page',
+        params: { pathMatch: '/' },
+        // We remove the query parameters. Important if we have some with error
+        query: {},
+      })
+    },
+  },
 }
 </script>

web-frontend/modules/builder/components/page/settings/PageVisibilityForm.vue

@@ -11,10 +11,7 @@
           <slot name="title">{{
             $t('pageVisibilitySettingsTypes.logInPageWarningTitle')
           }}</slot>
-          <!-- eslint-disable-next-line vue/no-v-html vue/no-v-text-v-html-on-component -->
-          <p
-            v-html="$t('pageVisibilitySettingsTypes.logInPagewarningMessage')"
-          ></p>
+          <p>{{ $t('pageVisibilitySettingsTypes.logInPagewarningMessage') }}</p>
         </Alert>
         <Alert
           v-else-if="showLoginPageAlert && !showLogInPageWarning"
@@ -23,14 +20,13 @@
           <slot name="title">{{
             $t('pageVisibilitySettingsTypes.logInPageInfoTitle')
           }}</slot>
-          <!-- eslint-disable-next-line vue/no-v-html vue/no-v-text-v-html-on-component -->
-          <p
-            v-html="
+          <p>
+            {{
               $t('pageVisibilitySettingsTypes.logInPageInfoMessage', {
                 logInPageName: loginPageName,
               })
-            "
-          ></p>
+            }}
+          </p>
         </Alert>
       </div>
       <div class="margin-top-1 visibility-form__visibility-all">

web-frontend/modules/builder/components/settings/UserSourcesSettings.vue

@@ -53,7 +53,6 @@
     <UpdateUserSourceForm
       ref="userSourceForm"
       :builder="builder"
-      :integrations="integrations"
       :user-source-type="getUserSourceType(editedUserSource)"
       :default-values="editedUserSource"
       @submitted="updateUserSource"
@@ -71,7 +70,7 @@
         :disabled="actionInProgress || invalidForm"
         :loading="actionInProgress"
         size="large"
-        @click="$refs.userSourceForm.submit()"
+        @click="$refs.userSourceForm.submit(true)"
       >
         {{ $t('action.save') }}
       </Button>
@@ -86,7 +85,6 @@
     <CreateUserSourceForm
       ref="userSourceForm"
       :builder="builder"
-      :integrations="integrations"
       @submitted="createUserSource"
       @values-changed="onValueChange"
     />
@@ -122,6 +120,9 @@ export default {
   name: 'UserSourceSettings',
   components: { CreateUserSourceForm, UpdateUserSourceForm },
   mixins: [error],
+  provide() {
+    return { builder: this.builder }
+  },
   props: {
     builder: {
       type: Object,
@@ -169,7 +170,7 @@ export default {
       return this.$registry.get('userSource', userSource.type)
     },
     onValueChange() {
-      this.invalidForm = !this.$refs.userSourceForm.isFormValid()
+      this.invalidForm = !this.$refs.userSourceForm.isFormValid(true)
     },
     async showForm(userSourceToEdit) {
       if (userSourceToEdit) {
@@ -205,6 +206,10 @@ export default {
       this.actionInProgress = false
     },
     async updateUserSource(newValues) {
+      if (!this.$refs.userSourceForm.isFormValid(true)) {
+        return
+      }
+
       this.actionInProgress = true
       try {
         await this.actionUpdateUserSource({
@@ -215,8 +220,10 @@ export default {
         this.hideForm()
       } catch (error) {
         // Restore the previously saved values from the store
-        this.$refs.userSourceForm.reset()
-        this.handleError(error)
+        if (!this.$refs.userSourceForm.handleServerError(error)) {
+          this.$refs.userSourceForm.reset()
+          this.handleError(error)
+        }
       }
       this.actionInProgress = false
     },

web-frontend/modules/builder/components/userSource/CreateUserSourceForm.vue

@@ -67,10 +67,6 @@ export default {
       type: Object,
       required: true,
     },
-    integrations: {
-      type: Array,
-      required: true,
-    },
   },
   data() {
     return {
@@ -78,6 +74,9 @@ export default {
     }
   },
   computed: {
+    integrations() {
+      return this.$store.getters['integration/getIntegrations'](this.builder)
+    },
     userSources() {
       return this.$store.getters['userSource/getUserSources'](this.builder)
     },
@@ -117,6 +116,10 @@ export default {
       }
       return ''
     },
+
+    handleServerError() {
+      return false
+    },
   },
   validations: {
     values: {

web-frontend/modules/builder/components/userSource/UpdateUserSourceForm.vue

@@ -47,13 +47,28 @@
         <div
           v-for="appAuthType in appAuthProviderTypes"
           :key="appAuthType.type"
+          class="update-user-source-form__auth-provider"
         >
-          <Checkbox
-            :checked="hasAtLeastOneOfThisType(appAuthType)"
-            @input="onSelect(appAuthType)"
-          >
-            {{ appAuthType.name }}
-          </Checkbox>
+          <div class="update-user-source-form__auth-provider-header">
+            <Checkbox
+              :checked="hasAtLeastOneOfThisType(appAuthType)"
+              @input="onSelect(appAuthType)"
+            >
+              {{ appAuthType.name }}
+            </Checkbox>
+
+            <ButtonText
+              v-if="
+                hasAtLeastOneOfThisType(appAuthType) &&
+                appAuthType.canCreateNew(appAuthProviderPerTypes)
+              "
+              icon="iconoir-plus"
+              type="secondary"
+              @click.prevent="addNew(appAuthType)"
+            >
+              {{ $t('updateUserSourceForm.addProvider') }}
+            </ButtonText>
+          </div>
 
           <div
             v-for="appAuthProvider in appAuthProviderPerTypes[appAuthType.type]"
@@ -63,11 +78,16 @@
             <component
               :is="appAuthType.formComponent"
               v-if="hasAtLeastOneOfThisType(appAuthType)"
-              :integration="integration"
-              :current-user-source="fullValues"
-              :default-values="appAuthProvider"
+              :ref="`authProviderForm`"
               excluded-form
+              :integration="integration"
+              :user-source="fullValues"
+              :auth-providers="appAuthProviderPerTypes"
+              :auth-provider="appAuthProvider"
+              :default-values="appAuthProvider"
+              :auth-provider-type="appAuthType"
               @values-changed="updateAuthProvider(appAuthProvider, $event)"
+              @delete="remove(appAuthProvider)"
             />
           </div>
         </div>
@@ -82,7 +102,6 @@
 import form from '@baserow/modules/core/mixins/form'
 import IntegrationDropdown from '@baserow/modules/core/components/integrations/IntegrationDropdown'
 import { required, maxLength } from 'vuelidate/lib/validators'
-import { uuid } from '@baserow/modules/core/utils/string'
 
 export default {
   components: { IntegrationDropdown },
@@ -97,10 +116,6 @@ export default {
       required: false,
       default: null,
     },
-    integrations: {
-      type: Array,
-      required: true,
-    },
   },
   data() {
     return {
@@ -113,6 +128,9 @@ export default {
     }
   },
   computed: {
+    integrations() {
+      return this.$store.getters['integration/getIntegrations'](this.builder)
+    },
     integration() {
       if (!this.values.integration_id) {
         return null
@@ -140,6 +158,8 @@ export default {
   methods: {
     // Override the default getChildFormValues to exclude the provider forms from
     // final values as they are handled directly by this component
+    // The problem is that the child provider forms are not handled as a sub array
+    // so they override the userSource configuration
     getChildFormsValues() {
       return Object.assign(
         {},
@@ -157,6 +177,14 @@ export default {
     hasAtLeastOneOfThisType(appAuthProviderType) {
       return this.appAuthProviderPerTypes[appAuthProviderType.type]?.length > 0
     },
+    /** Return an integer bigger than any of the current auth_provider id to
+     * keep the right order when we want to map the error coming back from the server.
+     */
+    nextID() {
+      return (
+        Math.max(1, ...this.values.auth_providers.map(({ id }) => id)) + 100
+      )
+    },
     onSelect(appAuthProviderType) {
       if (this.hasAtLeastOneOfThisType(appAuthProviderType)) {
         this.values.auth_providers = this.values.auth_providers.filter(
@@ -165,10 +193,21 @@ export default {
       } else {
         this.values.auth_providers.push({
           type: appAuthProviderType.type,
-          id: uuid(),
+          id: this.nextID(),
         })
       }
     },
+    addNew(appAuthProviderType) {
+      this.values.auth_providers.push({
+        type: appAuthProviderType.type,
+        id: this.nextID(),
+      })
+    },
+    remove(appAuthProvider) {
+      this.values.auth_providers = this.values.auth_providers.filter(
+        ({ id }) => id !== appAuthProvider.id
+      )
+    },
     updateAuthProvider(authProviderToChange, values) {
       this.values.auth_providers = this.values.auth_providers.map(
         (authProvider) => {
@@ -182,6 +221,16 @@ export default {
     emitChange() {
       this.fullValues = this.getFormValues()
     },
+    handleServerError(error) {
+      if (
+        this.$refs.authProviderForm
+          .map((form) => form.handleServerError(error))
+          .some((result) => result)
+      ) {
+        return true
+      }
+      return false
+    },
     getError(fieldName) {
       if (!this.$v.values[fieldName].$dirty) {
         return ''

web-frontend/modules/builder/locales/en.json

@@ -732,7 +732,8 @@
     "nameFieldLabel": "Name",
     "nameFieldPlaceholder": "Enter a name...",
     "authTitle": "Authentication",
-    "integrationFieldLabel": "Integration"
+    "integrationFieldLabel": "Integration",
+    "addProvider": "Add provider"
   },
   "builderLoginPageForm": {
     "pageDropdownLabel": "Login Page",

web-frontend/modules/builder/pages/publicPage.vue

@@ -24,8 +24,8 @@ import { userCanViewPage } from '@baserow/modules/builder/utils/visibility'
 
 import {
   getTokenIfEnoughTimeLeft,
-  setToken,
   userSourceCookieTokenName,
+  setToken,
 } from '@baserow/modules/core/utils/auth'
 
 const logOffAndReturnToLogin = async ({ builder, store, redirect }) => {
@@ -59,8 +59,8 @@ export default {
     $registry,
     app,
     req,
-    route,
     redirect,
+    route,
   }) {
     let mode = 'public'
     const builderId = params.builderId ? parseInt(params.builderId, 10) : null
@@ -71,6 +71,7 @@ export default {
     }
 
     let builder = store.getters['application/getSelected']
+    let needPostBuilderLoading = false
 
     if (!builder || (builderId && builderId !== builder.id)) {
       try {
@@ -105,7 +106,40 @@ export default {
         })
       }
 
+      needPostBuilderLoading = true
+    }
+    store.dispatch('userSourceUser/setCurrentApplication', {
+      application: builder,
+    })
+
+    if (
+      (!process.server || req) &&
+      !store.getters['userSourceUser/isAuthenticated'](builder)
+    ) {
+      const refreshToken = getTokenIfEnoughTimeLeft(
+        app,
+        userSourceCookieTokenName
+      )
+      if (refreshToken) {
+        try {
+          await store.dispatch('userSourceUser/refreshAuth', {
+            application: builder,
+            token: refreshToken,
+          })
+        } catch (error) {
+          if (error.response?.status === 401) {
+            // We logoff as the token has probably expired or became invalid
+            logOffAndReturnToLogin({ builder, store, redirect })
+          } else {
+            throw error
+          }
+        }
+      }
+    }
+
+    if (needPostBuilderLoading) {
       // Post builder loading task executed once per application
+      // It's executed here to make sure we are authenticated at that point
       const sharedPage = await store.getters['page/getSharedPage'](builder)
       await Promise.all([
         store.dispatch('dataSource/fetchPublished', {
@@ -127,37 +161,18 @@ export default {
         }
       )
     }
-    store.dispatch('userSourceUser/setCurrentApplication', {
-      application: builder,
-    })
 
-    if (
-      (!process.server || req) &&
-      !store.getters['userSourceUser/isAuthenticated'](builder)
-    ) {
-      // token can be in the query string (SSO) or in the cookies (previous session)
-      let refreshToken = route.query.token
-      if (refreshToken) {
-        setToken(app, refreshToken, userSourceCookieTokenName, {
-          sameSite: 'Lax',
-        })
-      } else {
-        refreshToken = getTokenIfEnoughTimeLeft(app, userSourceCookieTokenName)
-      }
-
-      if (refreshToken) {
-        try {
-          await store.dispatch('userSourceUser/refreshAuth', {
-            application: builder,
-            token: refreshToken,
+    // Auth providers can get error code from the URL parameters
+    for (const userSource of builder.user_sources) {
+      for (const authProvider of userSource.auth_providers) {
+        const authError = $registry
+          .get('appAuthProvider', authProvider.type)
+          .handleError(userSource, authProvider, route)
+        if (authError) {
+          return error({
+            statusCode: authError.code,
+            message: authError.message,
           })
-        } catch (error) {
-          if (error.response?.status === 401) {
-            // We logoff as the token has probably expired or became invalid
-            logOffAndReturnToLogin({ builder, store, redirect })
-          } else {
-            throw error
-          }
         }
       }
     }
@@ -348,7 +363,7 @@ export default {
         }
       },
     },
-    async isAuthenticated() {
+    async isAuthenticated(newIsAuthenticated) {
       // When the user login or logout, we need to refetch the elements and actions
       // as they might have changed
       await this.$store.dispatch('element/fetchPublished', {
@@ -364,12 +379,18 @@ export default {
         page: this.sharedPage,
       })
 
-      // If the user is on a hidden page, redirect them to the Login page if possible.
-      await this.maybeRedirectUserToLoginPage()
+      if (newIsAuthenticated) {
+        // If the user has just logged in, we redirect him to the next page.
+        await this.maybeRedirectToNextPage()
+      } else {
+        // If the user is on a hidden page, redirect them to the Login page if possible.
+        await this.maybeRedirectUserToLoginPage()
+      }
     },
   },
   async mounted() {
     await this.maybeRedirectUserToLoginPage()
+    await this.checkProviderAuthentication()
   },
   methods: {
     /**
@@ -389,8 +410,57 @@ export default {
           this.mode
         )
 
-        if (url !== this.$router.history.current?.fullPath) {
-          this.$router.push(url)
+        const currentPath = this.$route.fullPath
+        if (url !== currentPath) {
+          const nextPath = encodeURIComponent(currentPath)
+          this.$router.push({ path: url, query: { next: nextPath } })
+        }
+      }
+    },
+    maybeRedirectToNextPage() {
+      if (this.$route.query.next) {
+        const decodedNext = decodeURIComponent(this.$route.query.next)
+        this.$router.push(decodedNext)
+      }
+    },
+    async checkProviderAuthentication() {
+      // Iterate over all auth providers to check if one can get a refresh token
+      let refreshTokenFromProvider = null
+
+      for (const userSource of this.builder.user_sources) {
+        for (const authProvider of userSource.auth_providers) {
+          refreshTokenFromProvider = this.$registry
+            .get('appAuthProvider', authProvider.type)
+            .getAuthToken(userSource, authProvider, this.$route)
+          if (refreshTokenFromProvider) {
+            break
+          }
+        }
+        if (refreshTokenFromProvider) {
+          break
+        }
+      }
+
+      if (refreshTokenFromProvider) {
+        setToken(this, refreshTokenFromProvider, userSourceCookieTokenName, {
+          sameSite: 'Lax',
+        })
+        try {
+          await this.$store.dispatch('userSourceUser/refreshAuth', {
+            application: this.builder,
+            token: refreshTokenFromProvider,
+          })
+        } catch (error) {
+          if (error.response?.status === 401) {
+            // We logoff as the token has probably expired or became invalid
+            logOffAndReturnToLogin({
+              builder: this.builder,
+              store: this.$store,
+              redirect: (...args) => this.$router.push(...args),
+            })
+          } else {
+            throw error
+          }
         }
       }
     },

web-frontend/modules/core/appAuthProviderTypes.js

@@ -1,18 +1,30 @@
-import { Registerable } from '@baserow/modules/core/registry'
+import { BaseAuthProviderType } from '@baserow/modules/core/authProviderTypes'
 
-export class AppAuthProviderType extends Registerable {
+export class AppAuthProviderType extends BaseAuthProviderType {
   get name() {
-    throw new Error('Must be set on the type.')
+    return this.getName()
+  }
+
+  getLoginOptions(authProvider) {
+    return null
+  }
+
+  get component() {
+    return null
   }
 
   /**
    * The form to edit this user source.
    */
   get formComponent() {
+    return this.getAdminSettingsFormComponent()
+  }
+
+  getAuthToken(userSource, authProvider, route) {
     return null
   }
 
-  getOrder() {
-    return 0
+  handleError(userSource, authProvider, route) {
+    return null
   }
 }

web-frontend/modules/core/assets/scss/components/builder/data_source_form.scss

@@ -2,8 +2,6 @@
   display: flex;
   flex-direction: column;
   gap: 20px;
-  padding: 12px;
-  padding-bottom: 0;
 
   .tabs__header {
     border-bottom: none;

web-frontend/modules/core/assets/scss/components/builder/update_user_source_form.scss

@@ -1,4 +1,16 @@
+.update-user-source-form__auth-provider {
+  margin-top: 16px;
+}
+
+.update-user-source-form__auth-provider-header {
+  display: flex;
+  justify-content: space-between;
+}
+
 .update-user-source-form__auth-provider-form {
   margin-left: 24px;
+  margin-top: 12px;
   display: flex;
+  flex-direction: column;
+  align-items: stretch;
 }

web-frontend/modules/core/authProviderTypes.js

@@ -2,10 +2,9 @@ import { Registerable } from '@baserow/modules/core/registry'
 import PasswordAuthIcon from '@baserow/modules/core/assets/images/providers/Key.svg'
 
 /**
- * The authorization provider type base class that can be extended when creating
- * a plugin for the frontend.
+ * Base class for authorization provider types
  */
-export class AuthProviderType extends Registerable {
+export class BaseAuthProviderType extends Registerable {
   /**
    * The icon for the provider
    */
@@ -14,14 +13,14 @@ export class AuthProviderType extends Registerable {
   }
 
   /**
-   * A human readable name of the application type.
+   * A human readable name of the authentication provider.
    */
   getName() {
     return null
   }
 
   /**
-   * A human readable name of the application type.
+   * A human readable name of the authentication provider.
    */
   getProviderName(provider) {
     return null
@@ -81,6 +80,35 @@ export class AuthProviderType extends Registerable {
     }
   }
 
+  /**
+   * Whether we can create new providers on this type. Sometimes providers can't be
+   * created because of permissions reasons or because of unicity constraints.
+   * @returns a boolean saying if you can create new providers of this type.
+   */
+  canCreateNew(authProviders) {
+    return true
+  }
+
+  /**
+   *
+   * @param {Object} err to handle
+   * @param {VueInstance} vueComponentInstance the vue component instance
+   * @returns true if the error is handled else false.
+   */
+  handleServerError(vueComponentInstance, error) {
+    return false
+  }
+
+  getOrder() {
+    throw new Error('The order of the authentication provider must be set.')
+  }
+}
+
+/**
+ * The authorization provider type base class that can be extended when creating
+ * a plugin for the frontend.
+ */
+export class AuthProviderType extends BaseAuthProviderType {
   constructor(...args) {
     super(...args)
     this.type = this.getType()
@@ -108,10 +136,6 @@ export class AuthProviderType extends Registerable {
       routeName: this.routeName,
     }
   }
-
-  getOrder() {
-    throw new Error('The order of an application type must be set.')
-  }
 }
 
 export class PasswordAuthProviderType extends AuthProviderType {
@@ -139,6 +163,16 @@ export class PasswordAuthProviderType extends AuthProviderType {
     return null
   }
 
+  /**
+   * We can create only one password provider.
+   */
+  canCreateNew(authProviders) {
+    return (
+      !authProviders[this.getType()] ||
+      authProviders[this.getType()].length === 0
+    )
+  }
+
   getOrder() {
     return 1
   }

web-frontend/modules/core/components/Modal.vue

@@ -1,6 +1,7 @@
 <template>
   <div
-    v-if="open"
+    v-if="open || keepContent"
+    v-show="(keepContent && open) || !keepContent"
     ref="modalWrapper"
     class="modal__wrapper"
     @click="outside($event)"
@@ -172,6 +173,14 @@ export default {
       default: false,
       required: false,
     },
+    // This flag allow to keep the modal content in case you want it to be available.
+    // Useful if you have a form inside the modal that is a sub part of the current
+    // form.
+    keepContent: {
+      type: Boolean,
+      default: false,
+      required: false,
+    },
   },
   data() {
     return {

web-frontend/modules/core/mixins/authProviderForm.js

@@ -0,0 +1,40 @@
+import form from '@baserow/modules/core/mixins/form'
+
+export default {
+  mixins: [form],
+  props: {
+    authProviders: {
+      type: Object,
+      required: true,
+    },
+    authProvider: {
+      type: Object,
+      required: false,
+      default: () => ({}),
+    },
+    authProviderType: {
+      type: Object,
+      required: true,
+    },
+  },
+  data() {
+    return { serverErrors: {} }
+  },
+  computed: {
+    providerName() {
+      return this.authProviderType.getProviderName(this.authProvider)
+    },
+  },
+  methods: {
+    submit() {
+      this.$v.$touch()
+      if (this.$v.$invalid) {
+        return
+      }
+      this.$emit('submit', this.values)
+    },
+    handleServerError(error) {
+      return this.authProviderType.handleServerError(this, error)
+    },
+  },
+}

web-frontend/modules/core/mixins/form.js

@@ -85,28 +85,54 @@ export default {
         firstError.scrollIntoView({ behavior: 'smooth' })
       }
     },
-    touch() {
+    /**
+     * Select all children that match the given predicate.
+     * @param {Function} predicate a function that receive the current child as parameter and
+     *   should return true if the child should be accepted.
+     * @param {Boolean} deep true if you want to deeply search for child
+     * @returns
+     */
+    getChildForms(predicate = (child) => 'isFormValid' in child, deep = false) {
+      const children = []
+
+      const getDeep = (child) => {
+        if (predicate(child)) {
+          children.push(child)
+        }
+        if (deep) {
+          // Search into children of children
+          child.$children.forEach(getDeep)
+        }
+      }
+
+      for (const child of this.$children) {
+        getDeep(child)
+      }
+      return children
+    },
+    touch(deep = false) {
       if ('$v' in this) {
         this.$v.$touch()
       }
 
       // Also touch all the child forms so that all the error messages are going to
       // be displayed.
-      for (const child of this.$children) {
-        if ('isFormValid' in child && '$v' in child) {
-          child.touch()
-        }
+      for (const child of this.getChildForms(
+        (child) => 'touch' in child,
+        deep
+      )) {
+        child.touch(deep)
       }
     },
-    submit() {
+    submit(deep = false) {
       if (this.selectedFieldIsDeactivated) {
         return
       }
 
-      this.touch()
+      this.touch(deep)
 
-      if (this.isFormValid()) {
-        this.$emit('submitted', this.getFormValues())
+      if (this.isFormValid(deep)) {
+        this.$emit('submitted', this.getFormValues(deep))
       } else {
         this.$nextTick(() => this.focusOnFirstError())
       }
@@ -120,21 +146,6 @@ export default {
         ? this.$v.values[fieldName].$error
         : false
     },
-    getChildForms(deep = false) {
-      const children = []
-      const getDeep = (child) => {
-        if ('isFormValid' in child) {
-          children.push(child)
-        } else if (deep) {
-          child.$children.forEach(getDeep)
-        }
-      }
-
-      for (const child of this.$children) {
-        getDeep(child)
-      }
-      return children
-    },
     /**
      * Returns true is everything is valid.
      *
@@ -151,8 +162,11 @@ export default {
      * Returns true if all the child form components are valid.
      */
     areChildFormsValid(deep = false) {
-      for (const child of this.getChildForms(deep)) {
-        if ('isFormValid' in child && !child.isFormValid()) {
+      for (const child of this.getChildForms(
+        (child) => 'isFormValid' in child,
+        deep
+      )) {
+        if (!child.isFormValid(deep)) {
           return false
         }
       }
@@ -162,17 +176,21 @@ export default {
      * A method that can be overridden to do some mutations on the values before
      * calling the submitted event.
      */
-    getFormValues() {
-      return Object.assign({}, this.values, this.getChildFormsValues())
+    getFormValues(deep = false) {
+      return Object.assign({}, this.values, this.getChildFormsValues(deep))
     },
     /**
      * Returns an object containing the values of the child forms.
      */
-    getChildFormsValues() {
+    getChildFormsValues(deep = false) {
+      const children = this.getChildForms(
+        (child) => 'getChildFormsValues' in child,
+        deep
+      )
       return Object.assign(
         {},
-        ...this.$children.map((child) => {
-          return 'getChildFormsValues' in child ? child.getFormValues() : {}
+        ...children.map((child) => {
+          return child.getFormValues(deep)
         })
       )
     },
@@ -196,16 +214,22 @@ export default {
       await this.$nextTick()
 
       // Also reset the child forms after a tick to allow default values to be updated.
-      this.getChildForms(deep).forEach((child) => child.reset())
+      this.getChildForms((child) => 'reset' in child, deep).forEach((child) =>
+        child.reset()
+      )
     },
 
     /**
      * Returns if a child form has indicated it handled the error, false otherwise.
      */
-    handleErrorByForm(error) {
+    handleErrorByForm(error, deep = false) {
       let childHandledIt = false
-      for (const child of this.$children) {
-        if ('handleErrorByForm' in child && child.handleErrorByForm(error)) {
+      const children = this.getChildForms(
+        (child) => 'handleErrorByForm' in child,
+        deep
+      )
+      for (const child of children) {
+        if (child.handleErrorByForm(error)) {
           childHandledIt = true
         }
       }

web-frontend/modules/core/plugins/featureFlags.js

@@ -1,5 +1,6 @@
 const FF_ENABLE_ALL = '*'
 export const FF_DASHBOARDS = 'dashboards'
+export const FF_AB_SSO = 'ab_sso'
 
 /**
  * A comma separated list of feature flags used to enable in-progress or not ready