Use factory method for session_manager
Also add some abstraction over the SQL to allow for different SQL dialects
This commit is contained in:
Anton Melser
126
ankisyncd/sessions.py
Normal file
126
ankisyncd/sessions.py
Normal file
@@ -0,0 +1,126 @@
|
||||
# -*- coding: utf-8 -*-
|
||||
import os
|
||||
import logging
|
||||
from sqlite3 import dbapi2 as sqlite
|
||||
|
||||
logger = logging.getLogger("ankisyncd.sessions")
|
||||
|
||||
|
||||
class SimpleSessionManager:
|
||||
"""A simple session manager that keeps the sessions in memory."""
|
||||
|
||||
def __init__(self):
|
||||
self.sessions = {}
|
||||
|
||||
def load(self, hkey, session_factory=None):
|
||||
return self.sessions.get(hkey)
|
||||
|
||||
def load_from_skey(self, skey, session_factory=None):
|
||||
for i in self.sessions:
|
||||
if self.sessions[i].skey == skey:
|
||||
return self.sessions[i]
|
||||
|
||||
def save(self, hkey, session):
|
||||
self.sessions[hkey] = session
|
||||
|
||||
def delete(self, hkey):
|
||||
del self.sessions[hkey]
|
||||
|
||||
|
||||
class SqliteSessionManager(SimpleSessionManager):
|
||||
"""Stores sessions in a SQLite database to prevent the user from being logged out
|
||||
everytime the SyncApp is restarted."""
|
||||
|
||||
def __init__(self, session_db_path):
|
||||
SimpleSessionManager.__init__(self)
|
||||
|
||||
self.session_db_path = os.path.realpath(session_db_path)
|
||||
|
||||
def _conn(self):
|
||||
new = not os.path.exists(self.session_db_path)
|
||||
conn = sqlite.connect(self.session_db_path)
|
||||
if new:
|
||||
cursor = conn.cursor()
|
||||
cursor.execute("CREATE TABLE session (hkey VARCHAR PRIMARY KEY, skey VARCHAR, username VARCHAR, path VARCHAR)")
|
||||
return conn
|
||||
|
||||
# Default to using sqlite3 syntax but overridable for sub-classes using other
|
||||
# DB API 2 driver variants
|
||||
@staticmethod
|
||||
def fs(sql):
|
||||
return sql
|
||||
|
||||
def load(self, hkey, session_factory=None):
|
||||
session = SimpleSessionManager.load(self, hkey)
|
||||
if session is not None:
|
||||
return session
|
||||
|
||||
conn = self._conn()
|
||||
cursor = conn.cursor()
|
||||
|
||||
cursor.execute(self.fs("SELECT skey, username, path FROM session WHERE hkey=?"), (hkey,))
|
||||
res = cursor.fetchone()
|
||||
|
||||
if res is not None:
|
||||
session = self.sessions[hkey] = session_factory(res[1], res[2])
|
||||
session.skey = res[0]
|
||||
return session
|
||||
|
||||
def load_from_skey(self, skey, session_factory=None):
|
||||
session = SimpleSessionManager.load_from_skey(self, skey)
|
||||
if session is not None:
|
||||
return session
|
||||
|
||||
conn = self._conn()
|
||||
cursor = conn.cursor()
|
||||
|
||||
cursor.execute(self.fs("SELECT hkey, username, path FROM session WHERE skey=?"), (skey,))
|
||||
res = cursor.fetchone()
|
||||
|
||||
if res is not None:
|
||||
session = self.sessions[res[0]] = session_factory(res[1], res[2])
|
||||
session.skey = skey
|
||||
return session
|
||||
|
||||
def save(self, hkey, session):
|
||||
SimpleSessionManager.save(self, hkey, session)
|
||||
|
||||
conn = self._conn()
|
||||
cursor = conn.cursor()
|
||||
|
||||
cursor.execute("INSERT OR REPLACE INTO session (hkey, skey, username, path) VALUES (?, ?, ?, ?)",
|
||||
(hkey, session.skey, session.name, session.path))
|
||||
|
||||
conn.commit()
|
||||
|
||||
def delete(self, hkey):
|
||||
SimpleSessionManager.delete(self, hkey)
|
||||
|
||||
conn = self._conn()
|
||||
cursor = conn.cursor()
|
||||
|
||||
cursor.execute(self.fs("DELETE FROM session WHERE hkey=?"), (hkey,))
|
||||
conn.commit()
|
||||
|
||||
def get_session_manager(config):
|
||||
if "session_db_path" in config and config["session_db_path"]:
|
||||
logger.info("Found session_db_path in config, using SqliteSessionManager for auth")
|
||||
return SqliteSessionManager(config['session_db_path'])
|
||||
elif "session_manager" in config and config["session_manager"]: # load from config
|
||||
logger.info("Found session_manager in config, using {} for persisting sessions".format(
|
||||
config['session_manager'])
|
||||
)
|
||||
import importlib
|
||||
import inspect
|
||||
module_name, class_name = config['session_manager'].rsplit('.', 1)
|
||||
module = importlib.import_module(module_name.strip())
|
||||
class_ = getattr(module, class_name.strip())
|
||||
|
||||
if not SimpleSessionManager in inspect.getmro(class_):
|
||||
raise TypeError('''"session_manager" found in the conf file but it doesn''t
|
||||
inherit from SimpleSessionManager''')
|
||||
return class_(config)
|
||||
else:
|
||||
logger.warning("Neither session_db_path nor session_manager set, "
|
||||
"ankisyncd will lose sessions on application restart")
|
||||
return SimpleSessionManager()
|
||||
@@ -41,6 +41,7 @@ from anki.consts import SYNC_VER, SYNC_ZIP_SIZE, SYNC_ZIP_COUNT
|
||||
from anki.consts import REM_CARD, REM_NOTE
|
||||
|
||||
from ankisyncd.users import get_user_manager
|
||||
from ankisyncd.sessions import get_session_manager
|
||||
|
||||
logger = logging.getLogger("ankisyncd")
|
||||
|
||||
@@ -382,26 +383,6 @@ class SyncUserSession:
|
||||
handler.col = col
|
||||
return handler
|
||||
|
||||
class SimpleSessionManager:
|
||||
"""A simple session manager that keeps the sessions in memory."""
|
||||
|
||||
def __init__(self):
|
||||
self.sessions = {}
|
||||
|
||||
def load(self, hkey, session_factory=None):
|
||||
return self.sessions.get(hkey)
|
||||
|
||||
def load_from_skey(self, skey, session_factory=None):
|
||||
for i in self.sessions:
|
||||
if self.sessions[i].skey == skey:
|
||||
return self.sessions[i]
|
||||
|
||||
def save(self, hkey, session):
|
||||
self.sessions[hkey] = session
|
||||
|
||||
def delete(self, hkey):
|
||||
del self.sessions[hkey]
|
||||
|
||||
class SyncApp:
|
||||
valid_urls = SyncCollectionHandler.operations + SyncMediaHandler.operations + ['hostKey', 'upload', 'download']
|
||||
|
||||
@@ -416,12 +397,8 @@ class SyncApp:
|
||||
self.prehooks = {}
|
||||
self.posthooks = {}
|
||||
|
||||
if "session_db_path" in config:
|
||||
self.session_manager = SqliteSessionManager(config['session_db_path'])
|
||||
else:
|
||||
self.session_manager = SimpleSessionManager()
|
||||
|
||||
self.user_manager = get_user_manager(config)
|
||||
self.session_manager = get_session_manager(config)
|
||||
self.collection_manager = getCollectionManager()
|
||||
|
||||
# make sure the base_url has a trailing slash
|
||||
@@ -680,73 +657,6 @@ class SyncApp:
|
||||
|
||||
return result
|
||||
|
||||
class SqliteSessionManager(SimpleSessionManager):
|
||||
"""Stores sessions in a SQLite database to prevent the user from being logged out
|
||||
everytime the SyncApp is restarted."""
|
||||
|
||||
def __init__(self, session_db_path):
|
||||
SimpleSessionManager.__init__(self)
|
||||
|
||||
self.session_db_path = os.path.realpath(session_db_path)
|
||||
|
||||
def _conn(self):
|
||||
new = not os.path.exists(self.session_db_path)
|
||||
conn = sqlite.connect(self.session_db_path)
|
||||
if new:
|
||||
cursor = conn.cursor()
|
||||
cursor.execute("CREATE TABLE session (hkey VARCHAR PRIMARY KEY, skey VARCHAR, user VARCHAR, path VARCHAR)")
|
||||
return conn
|
||||
|
||||
def load(self, hkey, session_factory=None):
|
||||
session = SimpleSessionManager.load(self, hkey)
|
||||
if session is not None:
|
||||
return session
|
||||
|
||||
conn = self._conn()
|
||||
cursor = conn.cursor()
|
||||
|
||||
cursor.execute("SELECT skey, user, path FROM session WHERE hkey=?", (hkey,))
|
||||
res = cursor.fetchone()
|
||||
|
||||
if res is not None:
|
||||
session = self.sessions[hkey] = session_factory(res[1], res[2])
|
||||
session.skey = res[0]
|
||||
return session
|
||||
|
||||
def load_from_skey(self, skey, session_factory=None):
|
||||
session = SimpleSessionManager.load_from_skey(self, skey)
|
||||
if session is not None:
|
||||
return session
|
||||
|
||||
conn = self._conn()
|
||||
cursor = conn.cursor()
|
||||
|
||||
cursor.execute("SELECT hkey, user, path FROM session WHERE skey=?", (skey,))
|
||||
res = cursor.fetchone()
|
||||
|
||||
if res is not None:
|
||||
session = self.sessions[res[0]] = session_factory(res[1], res[2])
|
||||
session.skey = skey
|
||||
return session
|
||||
|
||||
def save(self, hkey, session):
|
||||
SimpleSessionManager.save(self, hkey, session)
|
||||
|
||||
conn = self._conn()
|
||||
cursor = conn.cursor()
|
||||
|
||||
cursor.execute("INSERT OR REPLACE INTO session (hkey, skey, user, path) VALUES (?, ?, ?, ?)",
|
||||
(hkey, session.skey, session.name, session.path))
|
||||
conn.commit()
|
||||
|
||||
def delete(self, hkey):
|
||||
SimpleSessionManager.delete(self, hkey)
|
||||
|
||||
conn = self._conn()
|
||||
cursor = conn.cursor()
|
||||
|
||||
cursor.execute("DELETE FROM session WHERE hkey=?", (hkey,))
|
||||
conn.commit()
|
||||
|
||||
def make_app(global_conf, **local_conf):
|
||||
return SyncApp(**local_conf)
|
||||
|
||||
Reference in New Issue
Block a user