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separate blueprint importer from yaml parsing 

Signed-off-by: Jens Langhammer <jens@goauthentik.io>
This commit is contained in:
Jens Langhammer 2023-08-01 20:21:19 +02:00
parent a95c33f1ca
commit edc7f2fdb0
No known key found for this signature in database
11 changed files with 67 additions and 58 deletions
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4
authentik/blueprints/api.py
View File

@ -12,7 +12,7 @@ from rest_framework.viewsets import ModelViewSet
from authentik.api.decorators import permission_required
from authentik.blueprints.models import BlueprintInstance
from authentik.blueprints.v1.importer import Importer
from authentik.blueprints.v1.importer import StringImporter
from authentik.blueprints.v1.oci import OCI_PREFIX
from authentik.blueprints.v1.tasks import apply_blueprint, blueprints_find_dict
from authentik.core.api.used_by import UsedByMixin
@ -49,7 +49,7 @@ class BlueprintInstanceSerializer(ModelSerializer):
if content == "":
return content
context = self.instance.context if self.instance else {}
valid, logs = Importer(content, context).validate()
valid, logs = StringImporter(content, context).validate()
if not valid:
text_logs = "\n".join([x["event"] for x in logs])
raise ValidationError(_("Failed to validate blueprint: %(logs)s" % {"logs": text_logs}))

4
authentik/blueprints/management/commands/apply_blueprint.py
View File

@ -5,7 +5,7 @@ from django.core.management.base import BaseCommand, no_translations
from structlog.stdlib import get_logger
from authentik.blueprints.models import BlueprintInstance
from authentik.blueprints.v1.importer import Importer
from authentik.blueprints.v1.importer import StringImporter
LOGGER = get_logger()
@ -18,7 +18,7 @@ class Command(BaseCommand):
"""Apply all blueprints in order, abort when one fails to import"""
for blueprint_path in options.get("blueprints", []):
content = BlueprintInstance(path=blueprint_path).retrieve()
importer = Importer(content)
importer = StringImporter(content)
valid, _ = importer.validate()
if not valid:
self.stderr.write("blueprint invalid")

4
authentik/blueprints/tests/__init__.py
View File

@ -11,7 +11,7 @@ from authentik.blueprints.models import BlueprintInstance
def apply_blueprint(*files: str):
"""Apply blueprint before test"""
from authentik.blueprints.v1.importer import Importer
from authentik.blueprints.v1.importer import StringImporter
def wrapper_outer(func: Callable):
"""Apply blueprint before test"""
@ -20,7 +20,7 @@ def apply_blueprint(*files: str):
def wrapper(*args, **kwargs):
for file in files:
content = BlueprintInstance(path=file).retrieve()
Importer(content).apply()
StringImporter(content).apply()
return func(*args, **kwargs)
return wrapper

4
authentik/blueprints/tests/test_packaged.py
View File

@ -6,7 +6,7 @@ from django.test import TransactionTestCase
from authentik.blueprints.models import BlueprintInstance
from authentik.blueprints.tests import apply_blueprint
from authentik.blueprints.v1.importer import Importer
from authentik.blueprints.v1.importer import StringImporter
from authentik.tenants.models import Tenant
@ -25,7 +25,7 @@ def blueprint_tester(file_name: Path) -> Callable:
def tester(self: TestPackaged):
base = Path("blueprints/")
rel_path = Path(file_name).relative_to(base)
importer = Importer(BlueprintInstance(path=str(rel_path)).retrieve())
importer = StringImporter(BlueprintInstance(path=str(rel_path)).retrieve())
self.assertTrue(importer.validate()[0])
self.assertTrue(importer.apply())

22
authentik/blueprints/tests/test_v1.py
View File

@ -4,7 +4,7 @@ from os import environ
from django.test import TransactionTestCase
from authentik.blueprints.v1.exporter import FlowExporter
from authentik.blueprints.v1.importer import Importer, transaction_rollback
from authentik.blueprints.v1.importer import StringImporter, transaction_rollback
from authentik.core.models import Group
from authentik.flows.models import Flow, FlowDesignation, FlowStageBinding
from authentik.lib.generators import generate_id
@ -21,14 +21,14 @@ class TestBlueprintsV1(TransactionTestCase):
def test_blueprint_invalid_format(self):
"""Test blueprint with invalid format"""
importer = Importer('{"version": 3}')
importer = StringImporter('{"version": 3}')
self.assertFalse(importer.validate()[0])
importer = Importer(
importer = StringImporter(
'{"version": 1,"entries":[{"identifiers":{},"attrs":{},'
'"model": "authentik_core.User"}]}'
)
self.assertFalse(importer.validate()[0])
importer = Importer(
importer = StringImporter(
'{"version": 1, "entries": [{"attrs": {"name": "test"}, '
'"identifiers": {}, '
'"model": "authentik_core.Group"}]}'
@ -54,7 +54,7 @@ class TestBlueprintsV1(TransactionTestCase):
},
)
importer = Importer(
importer = StringImporter(
'{"version": 1, "entries": [{"attrs": {"name": "test999", "attributes": '
'{"key": ["updated_value"]}}, "identifiers": {"attributes": {"other_key": '
'["other_value"]}}, "model": "authentik_core.Group"}]}'
@ -103,7 +103,7 @@ class TestBlueprintsV1(TransactionTestCase):
self.assertEqual(len(export.entries), 3)
export_yaml = exporter.export_to_string()
importer = Importer(export_yaml)
importer = StringImporter(export_yaml)
self.assertTrue(importer.validate()[0])
self.assertTrue(importer.apply())
@ -113,14 +113,14 @@ class TestBlueprintsV1(TransactionTestCase):
"""Test export and import it twice"""
count_initial = Prompt.objects.filter(field_key="username").count()
importer = Importer(load_fixture("fixtures/static_prompt_export.yaml"))
importer = StringImporter(load_fixture("fixtures/static_prompt_export.yaml"))
self.assertTrue(importer.validate()[0])
self.assertTrue(importer.apply())
count_before = Prompt.objects.filter(field_key="username").count()
self.assertEqual(count_initial + 1, count_before)
importer = Importer(load_fixture("fixtures/static_prompt_export.yaml"))
importer = StringImporter(load_fixture("fixtures/static_prompt_export.yaml"))
self.assertTrue(importer.apply())
self.assertEqual(Prompt.objects.filter(field_key="username").count(), count_before)
@ -130,7 +130,7 @@ class TestBlueprintsV1(TransactionTestCase):
ExpressionPolicy.objects.filter(name="foo-bar-baz-qux").delete()
Group.objects.filter(name="test").delete()
environ["foo"] = generate_id()
importer = Importer(load_fixture("fixtures/tags.yaml"), {"bar": "baz"})
importer = StringImporter(load_fixture("fixtures/tags.yaml"), {"bar": "baz"})
self.assertTrue(importer.validate()[0])
self.assertTrue(importer.apply())
policy = ExpressionPolicy.objects.filter(name="foo-bar-baz-qux").first()
@ -247,7 +247,7 @@ class TestBlueprintsV1(TransactionTestCase):
exporter = FlowExporter(flow)
export_yaml = exporter.export_to_string()
importer = Importer(export_yaml)
importer = StringImporter(export_yaml)
self.assertTrue(importer.validate()[0])
self.assertTrue(importer.apply())
self.assertTrue(UserLoginStage.objects.filter(name=stage_name).exists())
@ -296,7 +296,7 @@ class TestBlueprintsV1(TransactionTestCase):
exporter = FlowExporter(flow)
export_yaml = exporter.export_to_string()
importer = Importer(export_yaml)
importer = StringImporter(export_yaml)
self.assertTrue(importer.validate()[0])
self.assertTrue(importer.apply())

4
authentik/blueprints/tests/test_v1_conditional_fields.py
View File

@ -1,7 +1,7 @@
"""Test blueprints v1"""
from django.test import TransactionTestCase
from authentik.blueprints.v1.importer import Importer
from authentik.blueprints.v1.importer import StringImporter
from authentik.core.models import Application, Token, User
from authentik.core.tests.utils import create_test_admin_user
from authentik.flows.models import Flow
@ -18,7 +18,7 @@ class TestBlueprintsV1ConditionalFields(TransactionTestCase):
self.uid = generate_id()
import_yaml = load_fixture("fixtures/conditional_fields.yaml", uid=self.uid, user=user.pk)
importer = Importer(import_yaml)
importer = StringImporter(import_yaml)
self.assertTrue(importer.validate()[0])
self.assertTrue(importer.apply())

6
authentik/blueprints/tests/test_v1_conditions.py
View File

@ -1,7 +1,7 @@
"""Test blueprints v1"""
from django.test import TransactionTestCase
from authentik.blueprints.v1.importer import Importer
from authentik.blueprints.v1.importer import StringImporter
from authentik.flows.models import Flow
from authentik.lib.generators import generate_id
from authentik.lib.tests.utils import load_fixture
@ -18,7 +18,7 @@ class TestBlueprintsV1Conditions(TransactionTestCase):
"fixtures/conditions_fulfilled.yaml", id1=flow_slug1, id2=flow_slug2
)
importer = Importer(import_yaml)
importer = StringImporter(import_yaml)
self.assertTrue(importer.validate()[0])
self.assertTrue(importer.apply())
# Ensure objects exist
@ -35,7 +35,7 @@ class TestBlueprintsV1Conditions(TransactionTestCase):
"fixtures/conditions_not_fulfilled.yaml", id1=flow_slug1, id2=flow_slug2
)
importer = Importer(import_yaml)
importer = StringImporter(import_yaml)
self.assertTrue(importer.validate()[0])
self.assertTrue(importer.apply())
# Ensure objects do not exist

14
authentik/blueprints/tests/test_v1_state.py
View File

@ -1,7 +1,7 @@
"""Test blueprints v1"""
from django.test import TransactionTestCase
from authentik.blueprints.v1.importer import Importer
from authentik.blueprints.v1.importer import StringImporter
from authentik.flows.models import Flow
from authentik.lib.generators import generate_id
from authentik.lib.tests.utils import load_fixture
@ -15,7 +15,7 @@ class TestBlueprintsV1State(TransactionTestCase):
flow_slug = generate_id()
import_yaml = load_fixture("fixtures/state_present.yaml", id=flow_slug)
importer = Importer(import_yaml)
importer = StringImporter(import_yaml)
self.assertTrue(importer.validate()[0])
self.assertTrue(importer.apply())
# Ensure object exists
@ -30,7 +30,7 @@ class TestBlueprintsV1State(TransactionTestCase):
self.assertEqual(flow.title, "bar")
# Ensure importer updates it
importer = Importer(import_yaml)
importer = StringImporter(import_yaml)
self.assertTrue(importer.validate()[0])
self.assertTrue(importer.apply())
flow: Flow = Flow.objects.filter(slug=flow_slug).first()
@ -41,7 +41,7 @@ class TestBlueprintsV1State(TransactionTestCase):
flow_slug = generate_id()
import_yaml = load_fixture("fixtures/state_created.yaml", id=flow_slug)
importer = Importer(import_yaml)
importer = StringImporter(import_yaml)
self.assertTrue(importer.validate()[0])
self.assertTrue(importer.apply())
# Ensure object exists
@ -56,7 +56,7 @@ class TestBlueprintsV1State(TransactionTestCase):
self.assertEqual(flow.title, "bar")
# Ensure importer doesn't update it
importer = Importer(import_yaml)
importer = StringImporter(import_yaml)
self.assertTrue(importer.validate()[0])
self.assertTrue(importer.apply())
flow: Flow = Flow.objects.filter(slug=flow_slug).first()
@ -67,7 +67,7 @@ class TestBlueprintsV1State(TransactionTestCase):
flow_slug = generate_id()
import_yaml = load_fixture("fixtures/state_created.yaml", id=flow_slug)
importer = Importer(import_yaml)
importer = StringImporter(import_yaml)
self.assertTrue(importer.validate()[0])
self.assertTrue(importer.apply())
# Ensure object exists
@ -75,7 +75,7 @@ class TestBlueprintsV1State(TransactionTestCase):
self.assertEqual(flow.slug, flow_slug)
import_yaml = load_fixture("fixtures/state_absent.yaml", id=flow_slug)
importer = Importer(import_yaml)
importer = StringImporter(import_yaml)
self.assertTrue(importer.validate()[0])
self.assertTrue(importer.apply())
flow: Flow = Flow.objects.filter(slug=flow_slug).first()

55
authentik/blueprints/v1/importer.py
View File

@ -85,27 +85,22 @@ class Importer:
"""Import Blueprint from YAML"""
logger: BoundLogger
_import: Blueprint
def __init__(self, yaml_input: str, context: Optional[dict] = None):
def __init__(self, blueprint: Blueprint, context: Optional[dict] = None):
self.__pk_map: dict[Any, Model] = {}
self._import = blueprint
self.logger = get_logger()
import_dict = load(yaml_input, BlueprintLoader)
try:
self.__import = from_dict(
Blueprint, import_dict, config=Config(cast=[BlueprintEntryDesiredState])
)
except DaciteError as exc:
raise EntryInvalidError from exc
ctx = {}
always_merger.merge(ctx, self.__import.context)
always_merger.merge(ctx, self._import.context)
if context:
always_merger.merge(ctx, context)
self.__import.context = ctx
self._import.context = ctx
@property
def blueprint(self) -> Blueprint:
"""Get imported blueprint"""
return self.__import
return self._import
def __update_pks_for_attrs(self, attrs: dict[str, Any]) -> dict[str, Any]:
"""Replace any value if it is a known primary key of an other object"""
@ -151,11 +146,11 @@ class Importer:
# pylint: disable-msg=too-many-locals
def _validate_single(self, entry: BlueprintEntry) -> Optional[BaseSerializer]:
"""Validate a single entry"""
if not entry.check_all_conditions_match(self.__import):
if not entry.check_all_conditions_match(self._import):
self.logger.debug("One or more conditions of this entry are not fulfilled, skipping")
return None
model_app_label, model_name = entry.get_model(self.__import).split(".")
model_app_label, model_name = entry.get_model(self._import).split(".")
model: type[SerializerModel] = registry.get_model(model_app_label, model_name)
# Don't use isinstance since we don't want to check for inheritance
if not is_model_allowed(model):
@ -163,7 +158,7 @@ class Importer:
if issubclass(model, BaseMetaModel):
serializer_class: type[Serializer] = model.serializer()
serializer = serializer_class(
data=entry.get_attrs(self.__import),
data=entry.get_attrs(self._import),
context={
SERIALIZER_CONTEXT_BLUEPRINT: entry,
},
@ -181,7 +176,7 @@ class Importer:
# the full serializer for later usage
# Because a model might have multiple unique columns, we chain all identifiers together
# to create an OR query.
updated_identifiers = self.__update_pks_for_attrs(entry.get_identifiers(self.__import))
updated_identifiers = self.__update_pks_for_attrs(entry.get_identifiers(self._import))
for key, value in list(updated_identifiers.items()):
if isinstance(value, dict) and "pk" in value:
del updated_identifiers[key]
@ -217,7 +212,7 @@ class Importer:
model_instance.pk = updated_identifiers["pk"]
serializer_kwargs["instance"] = model_instance
try:
full_data = self.__update_pks_for_attrs(entry.get_attrs(self.__import))
full_data = self.__update_pks_for_attrs(entry.get_attrs(self._import))
except ValueError as exc:
raise EntryInvalidError(exc) from exc
always_merger.merge(full_data, updated_identifiers)
@ -252,8 +247,8 @@ class Importer:
def _apply_models(self) -> bool:
"""Apply (create/update) models yaml"""
self.__pk_map = {}
for entry in self.__import.entries:
model_app_label, model_name = entry.get_model(self.__import).split(".")
for entry in self._import.entries:
model_app_label, model_name = entry.get_model(self._import).split(".")
try:
model: type[SerializerModel] = registry.get_model(model_app_label, model_name)
except LookupError:
@ -266,14 +261,14 @@ class Importer:
serializer = self._validate_single(entry)
except EntryInvalidError as exc:
# For deleting objects we don't need the serializer to be valid
if entry.get_state(self.__import) == BlueprintEntryDesiredState.ABSENT:
if entry.get_state(self._import) == BlueprintEntryDesiredState.ABSENT:
continue
self.logger.warning(f"entry invalid: {exc}", entry=entry, error=exc)
return False
if not serializer:
continue
state = entry.get_state(self.__import)
state = entry.get_state(self._import)
if state in [BlueprintEntryDesiredState.PRESENT, BlueprintEntryDesiredState.CREATED]:
instance = serializer.instance
if (
@ -306,8 +301,8 @@ class Importer:
"""Validate loaded blueprint export, ensure all models are allowed
and serializers have no errors"""
self.logger.debug("Starting blueprint import validation")
orig_import = deepcopy(self.__import)
if self.__import.version != 1:
orig_import = deepcopy(self._import)
if self._import.version != 1:
self.logger.warning("Invalid blueprint version")
return False, [{"event": "Invalid blueprint version"}]
with (
@ -320,5 +315,19 @@ class Importer:
for log in logs:
getattr(self.logger, log.get("log_level"))(**log)
self.logger.debug("Finished blueprint import validation")
self.__import = orig_import
self._import = orig_import
return successful, logs
class StringImporter(Importer):
"""Importer that also parses from string"""
def __init__(self, yaml_input: str, context: dict | None = None):
import_dict = load(yaml_input, BlueprintLoader)
try:
_import = from_dict(
Blueprint, import_dict, config=Config(cast=[BlueprintEntryDesiredState])
)
except DaciteError as exc:
raise EntryInvalidError from exc
super().__init__(_import, context)

4
authentik/blueprints/v1/tasks.py
View File

@ -26,7 +26,7 @@ from authentik.blueprints.models import (
BlueprintRetrievalFailed,
)
from authentik.blueprints.v1.common import BlueprintLoader, BlueprintMetadata, EntryInvalidError
from authentik.blueprints.v1.importer import Importer
from authentik.blueprints.v1.importer import StringImporter
from authentik.blueprints.v1.labels import LABEL_AUTHENTIK_INSTANTIATE
from authentik.blueprints.v1.oci import OCI_PREFIX
from authentik.events.monitored_tasks import (
@ -190,7 +190,7 @@ def apply_blueprint(self: MonitoredTask, instance_pk: str):
self.set_uid(slugify(instance.name))
blueprint_content = instance.retrieve()
file_hash = sha512(blueprint_content.encode()).hexdigest()
importer = Importer(blueprint_content, instance.context)
importer = StringImporter(blueprint_content, instance.context)
if importer.blueprint.metadata:
instance.metadata = asdict(importer.blueprint.metadata)
valid, logs = importer.validate()

4
authentik/flows/api/flows.py
View File

@ -16,7 +16,7 @@ from structlog.stdlib import get_logger
from authentik.api.decorators import permission_required
from authentik.blueprints.v1.exporter import FlowExporter
from authentik.blueprints.v1.importer import SERIALIZER_CONTEXT_BLUEPRINT, Importer
from authentik.blueprints.v1.importer import SERIALIZER_CONTEXT_BLUEPRINT, StringImporter
from authentik.core.api.used_by import UsedByMixin
from authentik.core.api.utils import CacheSerializer, LinkSerializer, PassiveSerializer
from authentik.events.utils import sanitize_dict
@ -181,7 +181,7 @@ class FlowViewSet(UsedByMixin, ModelViewSet):
if not file:
return Response(data=import_response.initial_data, status=400)
importer = Importer(file.read().decode())
importer = StringImporter(file.read().decode())
valid, logs = importer.validate()
import_response.initial_data["logs"] = [sanitize_dict(log) for log in logs]
import_response.initial_data["success"] = valid