slixmpp-omemo/storage.py
Maxime “pep” Buquet 05ef6d75c3 xep_0384: store sessions to file
Signed-off-by: Maxime “pep” Buquet <pep@bouah.net>
2019-01-29 18:05:59 +01:00

134 lines
4.5 KiB
Python

"""
Slixmpp: The Slick XMPP Library
Shamelessly inspired from Syndace's python-omemo examples.
"""
import os
import copy
import json
from typing import Any, Dict, List, Set, Union
import omemo
class SyncFileStorage(omemo.Storage):
def __init__(self, storage_dir: str) -> None:
self.storage_dir = storage_dir
self.__state = None
self.__own_data = None # type: Union[None, Dict[str, Union[str, int]]]
self.__sessions = {} # type: Dict[str, Dict[int, Any]]
self.__devices = {} # type: Dict[str, Dict[str, List[int]]]
def dump(self):
return copy.deepcopy({
"state" : self.__state,
"sessions" : self.__sessions,
"devices" : self.__devices
})
def loadOwnData(self, _callback):
if self.__own_data is None:
try:
filepath = os.path.join(self.storage_dir, 'own_data.json')
with open(filepath, 'r') as f:
self.__own_data = json.load(f)
except OSError:
return None
return self.__own_data
def storeOwnData(self, _callback, own_bare_jid: str, own_device_id: int) -> None:
self.__own_data = {
'own_bare_jid': own_bare_jid,
'own_device_id': own_device_id,
}
filepath = os.path.join(self.storage_dir, 'own_data.json')
with open(filepath, 'w') as f:
json.dump(self.__own_data, f)
def loadState(self, callback):
if self.__state is None:
try:
filepath = os.path.join(self.storage_dir, 'omemo.json')
with open(filepath, 'r') as f:
self.__state = json.load(f)
except OSError:
return None
return self.__state
def storeState(self, _callback, state) -> None:
self.__state = state
filepath = os.path.join(self.storage_dir, 'omemo.json')
with open(filepath, 'w') as f:
json.dump(self.__state, f)
def loadSession(self, _callback, bare_jid: str, device_id: int):
if not self.__sessions:
try:
filepath = os.path.join(self.storage_dir, 'sessions.json')
with open(filepath, 'r') as f:
self.__sessions = json.load(f)
except OSError:
return None
return self.__sessions.get(bare_jid, {}).get(device_id, None)
def storeSession(self, callback, bare_jid: str, device_id: int, session) -> None:
self.__sessions[bare_jid] = self.__sessions.get(bare_jid, {})
self.__sessions[bare_jid][device_id] = session
filepath = os.path.join(self.storage_dir, 'sessions.json')
with open(filepath, 'w') as f:
json.dump(self.__sessions, f)
def loadActiveDevices(self, _callback, bare_jid: str) -> Union[None, List[int]]:
if not self.__devices:
try:
filepath = os.path.join(self.storage_dir, 'devices.json')
with open(filepath, 'r') as f:
self.__devices = json.load(f)
except OSError:
return None
return self.__devices.get(bare_jid, {}).get("active", [])
def storeActiveDevices(self, _callback, bare_jid: str, devices: Set[int]) -> None:
self.__devices[bare_jid] = self.__devices.get(bare_jid, {})
self.__devices[bare_jid]["active"] = list(devices)
filepath = os.path.join(self.storage_dir, 'devices.json')
with open(filepath, 'w') as f:
json.dump(self.__devices, f)
def loadInactiveDevices(self, _callback, bare_jid: str) -> Union[None, List[int]]:
if not self.__devices:
try:
filepath = os.path.join(self.storage_dir, 'devices.json')
with open(filepath, 'r') as f:
self.__devices = json.load(f)
except OSError:
return None
return self.__devices.get(bare_jid, {}).get("inactive", [])
def storeInactiveDevices(self, _callback, bare_jid: str, devices: Set[int]) -> None:
self.__devices[bare_jid] = self.__devices.get(bare_jid, {})
self.__devices[bare_jid]["inactive"] = list(devices)
filepath = os.path.join(self.storage_dir, 'devices.json')
with open(filepath, 'w') as f:
json.dump(self.__devices, f)
def trust(self, _trusted: str) -> None:
"""Set somebody as trusted"""
def isTrusted(self, callback, bare_jid: str, device: int) -> bool:
return True
@property
def is_async(self) -> bool:
return False