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feat(encryption): add governed DSAR coverage

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zemion
2026-08-21 13:15:26 +02:00
parent 898d68aa1a
commit 277d5f01e4
4 changed files with 963 additions and 0 deletions
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src/govoplan_encryption/backend/dsar_provider.py
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@@ -0,0 +1,527 @@
from __future__ import annotations
from collections.abc import Sequence
from dataclasses import dataclass
from datetime import datetime, timezone
from sqlalchemy import or_
from sqlalchemy.orm import Session
from govoplan_core.core.dsar import (
DsarErasureActionRef,
DsarExecutionResultRef,
DsarRecordRef,
DsarSubjectRef,
dsar_capability_name,
)
from govoplan_encryption.backend.db.models import (
ContentProtectionRecord,
EncryptionKeyOperation,
EncryptionVault,
ProtectionMigration,
RecoveryApproval,
RecoveryCeremony,
)
ENCRYPTION_DSAR_CAPABILITY = dsar_capability_name("encryption")
_MAX_RECORDS = 5_000
_CONFLICT = object()
@dataclass(frozen=True, slots=True)
class _SubjectSelectors:
account_id: str
vault_id: str | None
key_operation_id: str | None
envelope_id: str | None
migration_id: str | None
recovery_id: str | None
@property
def narrowed(self) -> bool:
return any(
(
self.vault_id,
self.key_operation_id,
self.envelope_id,
self.migration_id,
self.recovery_id,
)
)
class EncryptionDsarProvider:
provider_id = "encryption"
module_id = "encryption"
def search_subject(
self,
session: object,
*,
tenant_id: str,
subject: DsarSubjectRef,
) -> Sequence[DsarRecordRef]:
db = _session(session)
selectors = _subject_selectors(subject)
if selectors is None:
return ()
records: list[DsarRecordRef] = []
if not selectors.narrowed or selectors.vault_id:
query = db.query(EncryptionVault).filter(
EncryptionVault.tenant_id == tenant_id,
or_(
EncryptionVault.created_by == selectors.account_id,
EncryptionVault.updated_by == selectors.account_id,
),
)
if selectors.vault_id:
query = query.filter(EncryptionVault.vault_id == selectors.vault_id)
records.extend(
_vault_attribution(row, selectors.account_id)
for row in _limited(
query,
EncryptionVault.created_at,
EncryptionVault.id,
label="vault attribution",
)
)
if not selectors.narrowed or selectors.vault_id or selectors.key_operation_id:
query = db.query(EncryptionKeyOperation).filter(
EncryptionKeyOperation.tenant_id == tenant_id,
EncryptionKeyOperation.requested_by == selectors.account_id,
)
if selectors.vault_id:
query = query.filter(
EncryptionKeyOperation.vault_id == selectors.vault_id
)
if selectors.key_operation_id:
query = query.filter(
EncryptionKeyOperation.id == selectors.key_operation_id
)
records.extend(
_key_operation_attribution(row)
for row in _limited(
query,
EncryptionKeyOperation.created_at,
EncryptionKeyOperation.id,
label="key-operation attribution",
)
)
if not selectors.narrowed or selectors.vault_id or selectors.envelope_id:
query = db.query(ContentProtectionRecord).filter(
ContentProtectionRecord.tenant_id == tenant_id,
ContentProtectionRecord.registered_by == selectors.account_id,
)
if selectors.vault_id:
query = query.filter(
ContentProtectionRecord.vault_id == selectors.vault_id
)
if selectors.envelope_id:
query = query.filter(
ContentProtectionRecord.envelope_id == selectors.envelope_id
)
records.extend(
_protection_attribution(row)
for row in _limited(
query,
ContentProtectionRecord.created_at,
ContentProtectionRecord.id,
label="content-protection attribution",
)
)
if not selectors.narrowed or selectors.vault_id or selectors.migration_id:
query = db.query(ProtectionMigration).filter(
ProtectionMigration.tenant_id == tenant_id,
ProtectionMigration.requested_by == selectors.account_id,
)
if selectors.vault_id:
query = query.filter(
ProtectionMigration.target_vault_id == selectors.vault_id
)
if selectors.migration_id:
query = query.filter(ProtectionMigration.id == selectors.migration_id)
records.extend(
_migration_attribution(row)
for row in _limited(
query,
ProtectionMigration.created_at,
ProtectionMigration.id,
label="migration attribution",
)
)
if not selectors.narrowed or selectors.vault_id or selectors.recovery_id:
ceremonies = db.query(RecoveryCeremony).filter(
RecoveryCeremony.tenant_id == tenant_id,
RecoveryCeremony.requester_account_id == selectors.account_id,
)
if selectors.vault_id:
ceremonies = ceremonies.filter(
RecoveryCeremony.vault_id == selectors.vault_id
)
if selectors.recovery_id:
ceremonies = ceremonies.filter(
RecoveryCeremony.id == selectors.recovery_id
)
records.extend(
_recovery_request_attribution(row)
for row in _limited(
ceremonies,
RecoveryCeremony.created_at,
RecoveryCeremony.id,
label="recovery-request attribution",
)
)
approvals = db.query(RecoveryApproval).filter(
RecoveryApproval.tenant_id == tenant_id,
RecoveryApproval.approver_account_id == selectors.account_id,
)
if selectors.recovery_id:
approvals = approvals.filter(
RecoveryApproval.recovery_id == selectors.recovery_id
)
elif selectors.vault_id:
approvals = approvals.filter(
RecoveryApproval.recovery_id.in_(
db.query(RecoveryCeremony.id).filter(
RecoveryCeremony.tenant_id == tenant_id,
RecoveryCeremony.vault_id == selectors.vault_id,
)
)
)
records.extend(
_recovery_approval_attribution(row)
for row in _limited(
approvals,
RecoveryApproval.created_at,
RecoveryApproval.id,
label="recovery-approval attribution",
)
)
if len(records) > _MAX_RECORDS:
raise ValueError("Encryption DSAR result limit exceeded; narrow selectors.")
return tuple(
sorted(records, key=lambda item: (item.resource_type, item.resource_id))
)
def plan_erasure(
self,
session: object,
*,
tenant_id: str,
subject: DsarSubjectRef,
records: Sequence[DsarRecordRef],
) -> Sequence[DsarErasureActionRef]:
del tenant_id
_session(session)
if _subject_selectors(subject) is None:
raise ValueError("Encryption DSAR subject selectors conflict.")
actions: list[DsarErasureActionRef] = []
for record in records:
_validate_record(record)
actions.append(
DsarErasureActionRef(
action_id=(
f"encryption:retain:{record.resource_type}:{record.resource_id}"
),
provider_id=self.provider_id,
module_id=self.module_id,
kind="retain",
resource_type=record.resource_type,
resource_id=record.resource_id,
title=f"Retain {record.title}",
rationale=(
record.retention_reason
or "Cryptographic custody evidence remains immutable."
),
executable=False,
)
)
return tuple(actions)
def execute_erasure(
self,
session: object,
*,
tenant_id: str,
subject: DsarSubjectRef,
actions: Sequence[DsarErasureActionRef],
request_id: str,
) -> Sequence[DsarExecutionResultRef]:
del tenant_id
_session(session)
if _subject_selectors(subject) is None:
raise ValueError("Encryption DSAR subject selectors conflict.")
results: list[DsarExecutionResultRef] = []
for action in actions:
_validate_action(action)
if action.executable or action.kind != "retain":
raise ValueError("Encryption DSAR publishes retain actions only.")
results.append(
DsarExecutionResultRef(
action_id=action.action_id,
status="blocked",
summary=(
"Cryptographic lifecycle and custody attribution remains "
"immutable security evidence."
),
evidence={"request_id": request_id},
)
)
return tuple(results)
def _subject_selectors(subject: DsarSubjectRef) -> _SubjectSelectors | None:
references = subject.external_references
account = _coalesce(
subject.account_id,
references.get("encryption.account"),
references.get("access.account"),
)
values = {
"vault_id": _coalesce(
references.get("encryption.vault"),
references.get("encryption.vault_id"),
),
"key_operation_id": _coalesce(
references.get("encryption.key_operation"),
references.get("encryption.key_operation_id"),
),
"envelope_id": _coalesce(
references.get("encryption.envelope"),
references.get("encryption.envelope_id"),
),
"migration_id": _coalesce(
references.get("encryption.migration"),
references.get("encryption.migration_id"),
),
"recovery_id": _coalesce(
references.get("encryption.recovery"),
references.get("encryption.recovery_id"),
),
}
if account is _CONFLICT or any(value is _CONFLICT for value in values.values()):
return None
account_id = _optional_string(account)
if not account_id:
return None
return _SubjectSelectors(
account_id=account_id,
vault_id=_optional_string(values["vault_id"]),
key_operation_id=_optional_string(values["key_operation_id"]),
envelope_id=_optional_string(values["envelope_id"]),
migration_id=_optional_string(values["migration_id"]),
recovery_id=_optional_string(values["recovery_id"]),
)
def _vault_attribution(row: EncryptionVault, account_id: str) -> DsarRecordRef:
activities = []
if row.created_by == account_id:
activities.append("created_vault")
if row.updated_by == account_id:
activities.append("updated_vault")
return _record(
resource_type="vault_actor_attribution",
resource_id=row.id,
title="Encryption vault actor attribution",
data={
"vault_id": row.vault_id,
"purpose": row.purpose[:255],
"profile_kind": row.profile_kind,
"scope_type": row.scope_type,
"state": row.state,
"revision": row.revision,
"current_key_version": row.current_key_version,
"recovery_quorum": row.recovery_quorum,
"activities": activities,
"created_at": _iso(row.created_at),
"updated_at": _iso(row.updated_at),
},
observed_at=row.updated_at,
)
def _key_operation_attribution(row: EncryptionKeyOperation) -> DsarRecordRef:
return _record(
resource_type="key_operation_actor_attribution",
resource_id=row.id,
title="Encryption key-operation actor attribution",
data={
"key_operation_id": row.id,
"vault_id": row.vault_id,
"key_version": row.key_version,
"operation": row.operation,
"state": row.state,
"activity": "requested_key_operation",
"created_at": _iso(row.created_at),
"completed_at": _iso(row.completed_at),
},
observed_at=row.completed_at or row.created_at,
)
def _protection_attribution(row: ContentProtectionRecord) -> DsarRecordRef:
return _record(
resource_type="content_protection_actor_attribution",
resource_id=row.id,
title="Content-protection registration attribution",
data={
"protection_record_id": row.id,
"owner_module": row.owner_module,
"resource_type": row.resource_type,
"profile_kind": row.profile_kind,
"state": row.state,
"activity": "registered_content_protection",
"created_at": _iso(row.created_at),
"updated_at": _iso(row.updated_at),
},
observed_at=row.updated_at,
)
def _migration_attribution(row: ProtectionMigration) -> DsarRecordRef:
return _record(
resource_type="protection_migration_actor_attribution",
resource_id=row.id,
title="Protection-migration actor attribution",
data={
"migration_id": row.id,
"mode": row.mode,
"state": row.state,
"activity": "requested_protection_migration",
"created_at": _iso(row.created_at),
"completed_at": _iso(row.completed_at),
},
observed_at=row.completed_at or row.created_at,
)
def _recovery_request_attribution(row: RecoveryCeremony) -> DsarRecordRef:
return _record(
resource_type="recovery_request_actor_attribution",
resource_id=row.id,
title="Encryption recovery-request attribution",
data={
"recovery_id": row.id,
"vault_id": row.vault_id,
"state": row.state,
"quorum": row.quorum,
"revision": row.revision,
"expires_at": _iso(row.expires_at),
"activity": "requested_recovery_ceremony",
"created_at": _iso(row.created_at),
"updated_at": _iso(row.updated_at),
},
observed_at=row.updated_at,
)
def _recovery_approval_attribution(row: RecoveryApproval) -> DsarRecordRef:
return _record(
resource_type="recovery_approval_actor_attribution",
resource_id=row.id,
title="Encryption recovery-approval attribution",
data={
"recovery_approval_id": row.id,
"recovery_id": row.recovery_id,
"decision": row.decision,
"activity": "decided_recovery_approval",
"created_at": _iso(row.created_at),
},
observed_at=row.created_at,
)
def _record(
*,
resource_type: str,
resource_id: str,
title: str,
data: dict[str, object],
observed_at: datetime | None,
) -> DsarRecordRef:
return DsarRecordRef(
provider_id="encryption",
module_id="encryption",
resource_type=resource_type,
resource_id=resource_id,
category="cryptographic_custody_attribution",
title=title,
data=data,
observed_at=_aware(observed_at),
immutable_evidence=True,
retention_reason=(
"Cryptographic lifecycle and custody attribution is retained as immutable "
"security and accountability evidence."
),
)
def _limited(query, first, second, *, label: str):
rows = query.order_by(first, second).limit(_MAX_RECORDS + 1).all()
if len(rows) > _MAX_RECORDS:
raise ValueError(f"Encryption DSAR {label} limit exceeded; narrow selectors.")
return rows
def _coalesce(*values: str | None) -> str | None | object:
normalized = {str(value).strip() for value in values if str(value or "").strip()}
if len(normalized) > 1:
return _CONFLICT
return next(iter(normalized), None)
def _optional_string(value: object) -> str | None:
return value if isinstance(value, str) and value else None
def _iso(value: datetime | None) -> str | None:
aware = _aware(value)
return aware.isoformat() if aware else None
def _aware(value: datetime | None) -> datetime | None:
if value is None or value.tzinfo is not None:
return value
return value.replace(tzinfo=timezone.utc)
def _session(value: object) -> Session:
if not isinstance(value, Session):
raise TypeError("Encryption DSAR requires a SQLAlchemy Session.")
return value
_RESOURCE_TYPES = {
"vault_actor_attribution",
"key_operation_actor_attribution",
"content_protection_actor_attribution",
"protection_migration_actor_attribution",
"recovery_request_actor_attribution",
"recovery_approval_actor_attribution",
}
def _validate_record(record: DsarRecordRef) -> None:
if record.provider_id != "encryption" or record.module_id != "encryption":
raise ValueError("Encryption DSAR cannot plan a foreign provider record.")
if record.resource_type not in _RESOURCE_TYPES or not record.resource_id:
raise ValueError("Encryption DSAR record identity is invalid.")
def _validate_action(action: DsarErasureActionRef) -> None:
if action.provider_id != "encryption" or action.module_id != "encryption":
raise ValueError("Encryption DSAR cannot execute a foreign provider action.")
if not action.action_id.startswith("encryption:retain:"):
raise ValueError("Encryption DSAR action identity is invalid.")
__all__ = ["ENCRYPTION_DSAR_CAPABILITY", "EncryptionDsarProvider"]
src/govoplan_encryption/backend/manifest.py
+62
View File
@@ -32,6 +32,10 @@ from govoplan_core.core.modules import (
from govoplan_core.core.provider_governance import declared_module_architecture
from govoplan_core.db.base import Base
from govoplan_encryption.backend.db import models
from govoplan_encryption.backend.dsar_provider import (
ENCRYPTION_DSAR_CAPABILITY,
EncryptionDsarProvider,
)
from govoplan_encryption.backend.local_provider import (
LOCAL_PROVIDER_ID,
LocalAesGcmProvider,
@@ -88,6 +92,10 @@ def _local_provider(context: ModuleContext) -> LocalAesGcmProvider:
return LocalAesGcmProvider(getattr(context.settings, "master_key_b64", None))
def _dsar_provider(_context: ModuleContext) -> EncryptionDsarProvider:
return EncryptionDsarProvider()
def _disable_guard(
session: object | None,
_module_id: str,
@@ -188,6 +196,7 @@ manifest = ModuleManifest(
name=CAPABILITY_ENCRYPTION_DISABLE_PREFLIGHT,
version="1.0.0",
),
ModuleInterfaceProvider(name=ENCRYPTION_DSAR_CAPABILITY, version="0.1.0"),
),
permissions=PERMISSIONS,
role_templates=ROLE_TEMPLATES,
@@ -235,6 +244,7 @@ manifest = ModuleManifest(
CAPABILITY_ENCRYPTION_CONTENT_CIPHER: _service,
CAPABILITY_ENCRYPTION_RECOVERY: _service,
CAPABILITY_ENCRYPTION_DISABLE_PREFLIGHT: _service,
ENCRYPTION_DSAR_CAPABILITY: _dsar_provider,
f"{CAPABILITY_ENCRYPTION_KEY_MATERIAL_PROVIDER_PREFIX}{LOCAL_PROVIDER_ID}": _local_provider,
f"{CAPABILITY_ENCRYPTION_CONTENT_CIPHER_PROVIDER_PREFIX}{LOCAL_PROVIDER_ID}": _local_provider,
},
@@ -281,6 +291,14 @@ manifest = ModuleManifest(
),
contract_version="1.0.0",
),
ENCRYPTION_DSAR_CAPABILITY: CapabilityDocumentation(
label="Encryption data-subject request provider",
summary=(
"Exports minimized cryptographic custody attribution without key "
"material, ciphertext references, or protected evidence."
),
contract_version="0.1.0",
),
},
migration_spec=MigrationSpec(
module_id=MODULE_ID,
@@ -322,6 +340,50 @@ manifest = ModuleManifest(
),
),
documentation=(
DocumentationTopic(
id="encryption.data-subject-requests",
title="Encryption data-subject requests",
summary=(
"Export cryptographic custody participation without exposing protected "
"content or key material."
),
body=(
"Encryption correlates only an exact tenant account identifier and can "
"narrow an already verified search to a vault, key operation, envelope, "
"migration, or recovery ceremony. The export reports minimized vault "
"administration, key-operation requests, protection registrations, "
"migrations, and recovery participation. It never returns provider or "
"public key references, wrapped keys, nonces, ciphertext locations, "
"resource identifiers, digests, request payloads, assurance and policy "
"references, recovery reasons, idempotency keys, or provenance. Feature "
"modules remain responsible for exporting the plaintext semantics of "
"their own protected resources. Cryptographic lifecycle and custody "
"attribution remains immutable security evidence and is retained rather "
"than automatically erased."
),
layer="configured",
documentation_types=("admin", "user"),
audience=("user", "administrator", "security_officer", "auditor"),
related_modules=("core", "identity_trust", "audit", "policy"),
order=95,
metadata={
"help_contexts": [
"encryption.admin.operations",
"privacy.data-subject-requests",
],
"consequence_classes": {
"export_custody_attribution": (
"Returns minimized lifecycle activity for the exact account."
),
"exclude_cryptographic_secrets": (
"Never returns key material, ciphertext references, nonces, or protected evidence."
),
"retain_cryptographic_evidence": (
"Preserves immutable custody and recovery accountability."
),
},
},
),
DocumentationTopic(
id="encryption.boundary",
title="Encryption and key-custody boundary",
tests/test_dsar_provider.py
+372
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@@ -0,0 +1,372 @@
from __future__ import annotations
import json
import unittest
from datetime import UTC, datetime, timedelta
from sqlalchemy import create_engine
from sqlalchemy.orm import Session
from govoplan_core.core.dsar import DsarProvider, DsarSubjectRef
from govoplan_core.db.base import Base
from govoplan_core.privacy.dsar_workflow import (
create_data_subject_request,
search_data_subject_request,
)
from govoplan_encryption.backend.db.models import (
ContentProtectionRecord,
EncryptionKeyOperation,
EncryptionVault,
ProtectionMigration,
RecoveryApproval,
RecoveryCeremony,
)
from govoplan_encryption.backend.dsar_provider import (
ENCRYPTION_DSAR_CAPABILITY,
EncryptionDsarProvider,
)
from govoplan_encryption.backend.manifest import manifest
NOW = datetime(2026, 8, 22, 11, 0, tzinfo=UTC)
class _Registry:
def __init__(self, provider: EncryptionDsarProvider) -> None:
self.provider = provider
def capability_names(self):
return (ENCRYPTION_DSAR_CAPABILITY,)
def capability_owner(self, name):
if name != ENCRYPTION_DSAR_CAPABILITY:
raise KeyError(name)
return "encryption"
def tenant_entitlement_resolver(self):
class _Resolver:
@staticmethod
def resolve(session, tenant_id):
del session, tenant_id
return type("State", (), {"effective_modules": ("encryption",)})()
return _Resolver()
def require_tenant_capability(self, name, session, **kwargs):
del session, kwargs
if name != ENCRYPTION_DSAR_CAPABILITY:
raise KeyError(name)
return self.provider
def manifests(self):
return (type("Manifest", (), {"id": "encryption"})(),)
class EncryptionDsarProviderTests(unittest.TestCase):
def setUp(self) -> None:
self.engine = create_engine("sqlite+pysqlite:///:memory:")
Base.metadata.create_all(self.engine)
self.session = Session(self.engine)
self.provider = EncryptionDsarProvider()
self.assertIsInstance(self.provider, DsarProvider)
self._seed()
self.session.commit()
def tearDown(self) -> None:
self.session.close()
self.engine.dispose()
def _seed(self) -> None:
self.session.add_all(
(
EncryptionVault(
id="vault-row-1",
tenant_id="tenant-1",
vault_id="vault-1",
name="Resident postbox vault",
provider_id="provider-secret-do-not-export",
purpose="resident correspondence",
profile_kind="institutional",
scope_type="tenant",
scope_id="scope-secret-do-not-export",
policy_ref="policy-ref-do-not-export",
recovery_quorum=2,
state="active",
revision=2,
current_key_version=3,
create_idempotency_key="vault-idempotency-do-not-export",
create_request_digest="vault-digest-do-not-export",
provenance={"secret": "vault-provenance-do-not-export"},
created_by="account-1",
updated_by="account-1",
created_at=NOW,
updated_at=NOW,
),
EncryptionKeyOperation(
id="key-operation-1",
tenant_id="tenant-1",
vault_id="vault-1",
key_version=3,
operation="rotate",
provider_id="provider-secret-do-not-export",
state="complete",
idempotency_key="key-idempotency-do-not-export",
request_digest="key-request-digest-do-not-export",
request_payload={"secret": "request-payload-do-not-export"},
error_code="provider-error-do-not-export",
policy_decision_ref="policy-decision-do-not-export",
assurance_evidence_ref="assurance-evidence-do-not-export",
requested_by="account-1",
completed_at=NOW,
created_at=NOW,
updated_at=NOW,
),
ContentProtectionRecord(
id="protection-row-1",
envelope_id="envelope-1",
tenant_id="tenant-1",
owner_module="postbox",
resource_type="message",
resource_id="message-resource-do-not-export",
profile_kind="institutional",
profile_id="profile-secret-do-not-export",
provider_id="provider-secret-do-not-export",
vault_id="vault-1",
key_version=3,
algorithm_suite="AES-256-GCM",
ciphertext_ref="ciphertext-ref-do-not-export",
ciphertext_digest="ciphertext-digest-do-not-export",
authenticated_context_digest="context-digest-do-not-export",
wrapped_key_refs=["wrapped-key-ref-do-not-export"],
state="active",
source_envelope_id="source-envelope-do-not-export",
migration_id="migration-secret-do-not-export",
envelope_metadata={"secret": "envelope-metadata-do-not-export"},
idempotency_key="envelope-idempotency-do-not-export",
request_digest="envelope-request-digest-do-not-export",
policy_decision_ref="envelope-policy-do-not-export",
registered_by="account-1",
created_at=NOW,
updated_at=NOW,
),
ProtectionMigration(
id="migration-1",
tenant_id="tenant-1",
source_envelope_id="source-envelope-ref-do-not-export",
target_envelope_id="target-envelope-ref-do-not-export",
target_provider_id="target-provider-do-not-export",
target_vault_id="vault-1",
target_key_version=4,
target_algorithm_suite="AES-256-GCM",
mode="rewrap",
state="complete",
policy_decision_ref="migration-policy-do-not-export",
assurance_evidence_ref="migration-assurance-do-not-export",
idempotency_key="migration-idempotency-do-not-export",
request_digest="migration-request-digest-do-not-export",
evidence_refs=["migration-evidence-do-not-export"],
error_code="migration-error-do-not-export",
provenance={"secret": "migration-provenance-do-not-export"},
requested_by="account-1",
completed_at=NOW,
created_at=NOW,
updated_at=NOW,
),
RecoveryCeremony(
id="recovery-1",
tenant_id="tenant-1",
vault_id="vault-1",
state="approved",
requested_scope="scope-secret-do-not-export",
reason="recovery-reason-do-not-export",
quorum=2,
revision=2,
policy_decision_ref="recovery-policy-do-not-export",
requester_assurance_ref="requester-assurance-do-not-export",
requester_account_id="account-1",
idempotency_key="recovery-idempotency-do-not-export",
request_digest="recovery-request-digest-do-not-export",
expires_at=NOW + timedelta(hours=1),
execution_ref="execution-ref-do-not-export",
provenance={"secret": "recovery-provenance-do-not-export"},
created_at=NOW,
updated_at=NOW,
),
RecoveryApproval(
id="recovery-approval-1",
tenant_id="tenant-1",
recovery_id="recovery-1",
approver_account_id="account-1",
decision="approve",
reason="approval-reason-do-not-export",
assurance_evidence_ref="approval-assurance-do-not-export",
idempotency_key="approval-idempotency-do-not-export",
request_digest="approval-request-digest-do-not-export",
created_at=NOW,
updated_at=NOW,
),
EncryptionVault(
id="vault-row-other",
tenant_id="tenant-2",
vault_id="vault-other",
name="Other tenant vault",
provider_id="local",
purpose="other",
profile_kind="institutional",
scope_type="tenant",
policy_ref="policy",
recovery_quorum=2,
state="active",
revision=1,
create_idempotency_key="other-key",
create_request_digest="other-digest",
provenance={},
created_by="account-1",
updated_by="account-1",
),
)
)
@staticmethod
def _subject() -> DsarSubjectRef:
return DsarSubjectRef(account_id="account-1")
def test_search_exports_minimized_custody_attribution(self) -> None:
records = self.provider.search_subject(
self.session, tenant_id="tenant-1", subject=self._subject()
)
self.assertEqual(
{
"vault_actor_attribution",
"key_operation_actor_attribution",
"content_protection_actor_attribution",
"protection_migration_actor_attribution",
"recovery_request_actor_attribution",
"recovery_approval_actor_attribution",
},
{record.resource_type for record in records},
)
exported = json.dumps([record.to_dict() for record in records])
for excluded in (
"provider-secret-do-not-export",
"scope-secret-do-not-export",
"policy-ref-do-not-export",
"vault-idempotency-do-not-export",
"vault-digest-do-not-export",
"vault-provenance-do-not-export",
"key-idempotency-do-not-export",
"key-request-digest-do-not-export",
"request-payload-do-not-export",
"provider-error-do-not-export",
"policy-decision-do-not-export",
"assurance-evidence-do-not-export",
"message-resource-do-not-export",
"profile-secret-do-not-export",
"ciphertext-ref-do-not-export",
"ciphertext-digest-do-not-export",
"context-digest-do-not-export",
"wrapped-key-ref-do-not-export",
"source-envelope-do-not-export",
"envelope-metadata-do-not-export",
"target-provider-do-not-export",
"migration-policy-do-not-export",
"migration-assurance-do-not-export",
"migration-evidence-do-not-export",
"recovery-reason-do-not-export",
"requester-assurance-do-not-export",
"execution-ref-do-not-export",
"approval-reason-do-not-export",
"approval-assurance-do-not-export",
):
self.assertNotIn(excluded, exported)
def test_requires_exact_account_and_enforces_tenant(self) -> None:
email_only = self.provider.search_subject(
self.session,
tenant_id="tenant-1",
subject=DsarSubjectRef(email="custodian@example.test"),
)
conflict = self.provider.search_subject(
self.session,
tenant_id="tenant-1",
subject=DsarSubjectRef(
account_id="account-1",
external_references={"encryption.account": "account-other"},
),
)
records = self.provider.search_subject(
self.session, tenant_id="tenant-1", subject=self._subject()
)
self.assertEqual((), email_only)
self.assertEqual((), conflict)
self.assertNotIn("vault-row-other", {record.resource_id for record in records})
def test_recovery_narrowing_includes_request_and_approval_only(self) -> None:
records = self.provider.search_subject(
self.session,
tenant_id="tenant-1",
subject=DsarSubjectRef(
account_id="account-1",
external_references={"encryption.recovery": "recovery-1"},
),
)
self.assertEqual(
{
"recovery_request_actor_attribution",
"recovery_approval_actor_attribution",
},
{record.resource_type for record in records},
)
def test_erasure_retains_cryptographic_custody_evidence(self) -> None:
records = self.provider.search_subject(
self.session, tenant_id="tenant-1", subject=self._subject()
)
actions = self.provider.plan_erasure(
self.session,
tenant_id="tenant-1",
subject=self._subject(),
records=records,
)
self.assertTrue(actions)
self.assertTrue(
all(action.kind == "retain" and not action.executable for action in actions)
)
results = self.provider.execute_erasure(
self.session,
tenant_id="tenant-1",
subject=self._subject(),
actions=actions,
request_id="dsar-encryption-1",
)
self.assertTrue(all(result.status == "blocked" for result in results))
def test_manifest_and_core_workflow_discover_provider(self) -> None:
self.assertIn(ENCRYPTION_DSAR_CAPABILITY, manifest.capability_factories)
self.assertIn(
"encryption.data-subject-requests",
{topic.id for topic in manifest.documentation},
)
row = create_data_subject_request(
self.session,
tenant_id="tenant-1",
reference="DSAR-ENCRYPTION-1",
request_kind="access",
subject=self._subject(),
purpose="Encryption custody access request",
legal_basis=None,
due_at=None,
requested_by_account_id="operator-1",
)
search_data_subject_request(
self.session,
registry=_Registry(self.provider),
row=row,
expected_revision=row.resource_revision,
)
self.assertEqual("searched", row.status)
self.assertEqual(6, row.search_result["record_count"])
if __name__ == "__main__":
unittest.main()
tests/test_manifest.py
+2
View File
@@ -12,6 +12,7 @@ from govoplan_core.core.encryption import (
CAPABILITY_ENCRYPTION_RECOVERY,
)
from govoplan_encryption.backend.manifest import get_manifest
from govoplan_encryption.backend.dsar_provider import ENCRYPTION_DSAR_CAPABILITY
from govoplan_encryption.backend.local_provider import LOCAL_PROVIDER_ID
@@ -28,6 +29,7 @@ class EncryptionManifestTests(unittest.TestCase):
CAPABILITY_ENCRYPTION_CONTENT_CIPHER,
CAPABILITY_ENCRYPTION_RECOVERY,
CAPABILITY_ENCRYPTION_DISABLE_PREFLIGHT,
ENCRYPTION_DSAR_CAPABILITY,
f"{CAPABILITY_ENCRYPTION_KEY_MATERIAL_PROVIDER_PREFIX}{LOCAL_PROVIDER_ID}",
f"{CAPABILITY_ENCRYPTION_CONTENT_CIPHER_PROVIDER_PREFIX}{LOCAL_PROVIDER_ID}",
},