mirror of
https://git.selfprivacy.org/SelfPrivacy/selfprivacy-rest-api.git
synced 2024-08-18 22:45:12 +00:00
169 lines
5.3 KiB
Python
169 lines
5.3 KiB
Python
from typing import List, Optional
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from datetime import datetime
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from selfprivacy_api.models.backup.snapshot import Snapshot
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from selfprivacy_api.models.backup.provider import BackupProviderModel
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from selfprivacy_api.utils.redis_pool import RedisPool
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from selfprivacy_api.utils.redis_model_storage import store_model_as_hash, hash_as_model
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from selfprivacy_api.services.service import Service
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from selfprivacy_api.backup.providers.provider import AbstractBackupProvider
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from selfprivacy_api.backup.providers import get_kind
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# a hack to store file path.
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REDIS_SNAPSHOT_CACHE_EXPIRE_SECONDS = 24 * 60 * 60 # one day
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REDIS_AUTOBACKUP_ENABLED_PREFIX = "backup:autobackup:services:"
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REDIS_SNAPSHOTS_PREFIX = "backups:snapshots:"
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REDIS_LAST_BACKUP_PREFIX = "backups:last-backed-up:"
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REDIS_INITTED_CACHE_PREFIX = "backups:initted_services:"
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REDIS_PROVIDER_KEY = "backups:provider"
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REDIS_AUTOBACKUP_PERIOD_KEY = "backups:autobackup_period"
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redis = RedisPool().get_connection()
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class Storage:
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@staticmethod
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def reset():
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redis.delete(REDIS_PROVIDER_KEY)
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redis.delete(REDIS_AUTOBACKUP_PERIOD_KEY)
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prefixes_to_clean = [
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REDIS_INITTED_CACHE_PREFIX,
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REDIS_SNAPSHOTS_PREFIX,
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REDIS_LAST_BACKUP_PREFIX,
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REDIS_AUTOBACKUP_ENABLED_PREFIX,
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]
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for prefix in prefixes_to_clean:
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for key in redis.keys(prefix + "*"):
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redis.delete(key)
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@staticmethod
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def invalidate_snapshot_storage():
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for key in redis.keys(REDIS_SNAPSHOTS_PREFIX + "*"):
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redis.delete(key)
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@staticmethod
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def services_with_autobackup() -> List[str]:
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keys = redis.keys(REDIS_AUTOBACKUP_ENABLED_PREFIX + "*")
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service_ids = [key.split(":")[-1] for key in keys]
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return service_ids
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@staticmethod
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def __last_backup_key(service_id):
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return REDIS_LAST_BACKUP_PREFIX + service_id
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@staticmethod
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def __snapshot_key(snapshot: Snapshot):
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return REDIS_SNAPSHOTS_PREFIX + snapshot.id
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@staticmethod
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def get_last_backup_time(service_id: str) -> Optional[datetime]:
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key = Storage.__last_backup_key(service_id)
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if not redis.exists(key):
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return None
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snapshot = hash_as_model(redis, key, Snapshot)
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return snapshot.created_at
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@staticmethod
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def store_last_timestamp(service_id: str, snapshot: Snapshot):
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store_model_as_hash(redis, Storage.__last_backup_key(service_id), snapshot)
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@staticmethod
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def cache_snapshot(snapshot: Snapshot):
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snapshot_key = Storage.__snapshot_key(snapshot)
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store_model_as_hash(redis, snapshot_key, snapshot)
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redis.expire(snapshot_key, REDIS_SNAPSHOT_CACHE_EXPIRE_SECONDS)
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@staticmethod
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def delete_cached_snapshot(snapshot: Snapshot):
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snapshot_key = Storage.__snapshot_key(snapshot)
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redis.delete(snapshot_key)
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@staticmethod
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def get_cached_snapshot_by_id(snapshot_id: str) -> Optional[Snapshot]:
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key = REDIS_SNAPSHOTS_PREFIX + snapshot_id
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if not redis.exists(key):
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return None
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return hash_as_model(redis, key, Snapshot)
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@staticmethod
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def get_cached_snapshots() -> List[Snapshot]:
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keys = redis.keys(REDIS_SNAPSHOTS_PREFIX + "*")
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result = []
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for key in keys:
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snapshot = hash_as_model(redis, key, Snapshot)
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result.append(snapshot)
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return result
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@staticmethod
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def __autobackup_key(service_name: str) -> str:
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return REDIS_AUTOBACKUP_ENABLED_PREFIX + service_name
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@staticmethod
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def set_autobackup(service: Service):
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# shortcut this
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redis.set(Storage.__autobackup_key(service.get_id()), 1)
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@staticmethod
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def unset_autobackup(service: Service):
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"""also see disable_all_autobackup()"""
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redis.delete(Storage.__autobackup_key(service.get_id()))
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@staticmethod
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def is_autobackup_set(service_name: str) -> bool:
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return redis.exists(Storage.__autobackup_key(service_name))
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@staticmethod
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def autobackup_period_minutes() -> Optional[int]:
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"""None means autobackup is disabled"""
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if not redis.exists(REDIS_AUTOBACKUP_PERIOD_KEY):
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return None
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return int(redis.get(REDIS_AUTOBACKUP_PERIOD_KEY))
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@staticmethod
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def store_autobackup_period_minutes(minutes: int):
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redis.set(REDIS_AUTOBACKUP_PERIOD_KEY, minutes)
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@staticmethod
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def delete_backup_period():
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redis.delete(REDIS_AUTOBACKUP_PERIOD_KEY)
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@staticmethod
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def store_provider(provider: AbstractBackupProvider):
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store_model_as_hash(
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redis,
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REDIS_PROVIDER_KEY,
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BackupProviderModel(
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kind=get_kind(provider),
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login=provider.login,
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key=provider.key,
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location=provider.location,
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repo_id=provider.repo_id,
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),
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)
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@staticmethod
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def load_provider() -> BackupProviderModel:
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provider_model = hash_as_model(redis, REDIS_PROVIDER_KEY, BackupProviderModel)
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return provider_model
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@staticmethod
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def has_init_mark() -> bool:
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if redis.exists(REDIS_INITTED_CACHE_PREFIX):
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return True
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return False
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@staticmethod
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def mark_as_init():
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redis.set(REDIS_INITTED_CACHE_PREFIX, 1)
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