selfprivacy-rest-api/selfprivacy_api/graphql/mutations/backup_mutations.py

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import typing
import strawberry
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from selfprivacy_api.jobs import Jobs
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from selfprivacy_api.graphql import IsAuthenticated
from selfprivacy_api.graphql.mutations.mutation_interface import (
GenericMutationReturn,
GenericJobMutationReturn,
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MutationReturnInterface,
)
from selfprivacy_api.graphql.queries.backup import BackupConfiguration
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from selfprivacy_api.graphql.queries.backup import Backup
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from selfprivacy_api.graphql.queries.providers import BackupProvider
from selfprivacy_api.graphql.common_types.jobs import job_to_api_job
from selfprivacy_api.graphql.common_types.backup import (
AutobackupQuotasInput,
RestoreStrategy,
)
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from selfprivacy_api.backup import Backups
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from selfprivacy_api.services import get_service_by_id
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from selfprivacy_api.backup.tasks import (
start_backup,
restore_snapshot,
prune_autobackup_snapshots,
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)
from selfprivacy_api.backup.jobs import add_backup_job, add_restore_job
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@strawberry.input
class InitializeRepositoryInput:
"""Initialize repository input"""
provider: BackupProvider
# The following field may become optional for other providers?
# Backblaze takes bucket id and name
location_id: str
location_name: str
# Key ID and key for Backblaze
login: str
password: str
@strawberry.type
class GenericBackupConfigReturn(MutationReturnInterface):
"""Generic backup config return"""
configuration: typing.Optional[BackupConfiguration]
@strawberry.type
class BackupMutations:
@strawberry.mutation(permission_classes=[IsAuthenticated])
def initialize_repository(
self, repository: InitializeRepositoryInput
) -> GenericBackupConfigReturn:
"""Initialize a new repository"""
Backups.set_provider(
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kind=repository.provider,
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login=repository.login,
key=repository.password,
location=repository.location_name,
repo_id=repository.location_id,
)
Backups.init_repo()
return GenericBackupConfigReturn(
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success=True,
message="",
code=200,
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configuration=Backup().configuration(),
)
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@strawberry.mutation(permission_classes=[IsAuthenticated])
def remove_repository(self) -> GenericBackupConfigReturn:
"""Remove repository"""
Backups.reset()
return GenericBackupConfigReturn(
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success=True,
message="",
code=200,
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configuration=Backup().configuration(),
)
@strawberry.mutation(permission_classes=[IsAuthenticated])
def set_autobackup_period(
self, period: typing.Optional[int] = None
) -> GenericBackupConfigReturn:
"""Set autobackup period. None is to disable autobackup"""
if period is not None:
Backups.set_autobackup_period_minutes(period)
else:
Backups.set_autobackup_period_minutes(0)
return GenericBackupConfigReturn(
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success=True,
message="",
code=200,
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configuration=Backup().configuration(),
)
@strawberry.mutation(permission_classes=[IsAuthenticated])
def set_autobackup_quotas(
self, quotas: AutobackupQuotasInput
) -> GenericBackupConfigReturn:
"""
Set autobackup quotas.
Values <=0 for any timeframe mean no limits for that timeframe.
To disable autobackup use autobackup period setting, not this mutation.
"""
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job = Jobs.add(
name="Trimming autobackup snapshots",
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type_id="backups.autobackup_trimming",
description="Pruning the excessive snapshots after the new autobackup quotas are set",
)
try:
Backups.set_autobackup_quotas(quotas)
# this task is async and can fail with only a job to report the error
prune_autobackup_snapshots(job)
return GenericBackupConfigReturn(
success=True,
message="",
code=200,
configuration=Backup().configuration(),
)
except Exception as e:
return GenericBackupConfigReturn(
success=False,
message=type(e).__name__ + ":" + str(e),
code=400,
configuration=Backup().configuration(),
)
@strawberry.mutation(permission_classes=[IsAuthenticated])
def start_backup(self, service_id: str) -> GenericJobMutationReturn:
"""Start backup"""
service = get_service_by_id(service_id)
if service is None:
return GenericJobMutationReturn(
success=False,
code=300,
message=f"nonexistent service: {service_id}",
job=None,
)
job = add_backup_job(service)
start_backup(service)
return GenericJobMutationReturn(
success=True,
code=200,
message="Backup job queued",
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job=job_to_api_job(job),
)
@strawberry.mutation(permission_classes=[IsAuthenticated])
def restore_backup(
self,
snapshot_id: str,
strategy: RestoreStrategy = RestoreStrategy.DOWNLOAD_VERIFY_OVERWRITE,
) -> GenericJobMutationReturn:
"""Restore backup"""
snap = Backups.get_snapshot_by_id(snapshot_id)
if snap is None:
return GenericJobMutationReturn(
success=False,
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code=404,
message=f"No such snapshot: {snapshot_id}",
job=None,
)
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service = get_service_by_id(snap.service_name)
if service is None:
return GenericJobMutationReturn(
success=False,
code=404,
message=f"nonexistent service: {snap.service_name}",
job=None,
)
try:
job = add_restore_job(snap)
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except ValueError as error:
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return GenericJobMutationReturn(
success=False,
code=400,
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message=str(error),
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job=None,
)
restore_snapshot(snap, strategy)
return GenericJobMutationReturn(
success=True,
code=200,
message="restore job created",
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job=job_to_api_job(job),
)
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@strawberry.mutation(permission_classes=[IsAuthenticated])
def forget_snapshot(self, snapshot_id: str) -> GenericMutationReturn:
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"""Forget a snapshot.
Makes it inaccessible from the server.
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After some time, the data (encrypted) will not be recoverable
from the backup server too, but not immediately"""
snap = Backups.get_snapshot_by_id(snapshot_id)
if snap is None:
return GenericMutationReturn(
success=False,
code=404,
message=f"snapshot {snapshot_id} not found",
)
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try:
Backups.forget_snapshot(snap)
return GenericMutationReturn(
success=True,
code=200,
message="",
)
except Exception as error:
return GenericMutationReturn(
success=False,
code=400,
message=str(error),
)
@strawberry.mutation(permission_classes=[IsAuthenticated])
def force_snapshots_reload(self) -> GenericMutationReturn:
"""Force snapshots reload"""
Backups.force_snapshot_cache_reload()
return GenericMutationReturn(
success=True,
code=200,
message="",
)