Small RAM session handler implementation

plugins/ram_sessions/__init__.py

@@ -0,0 +1,15 @@
+from lodel.settings.validator import SettingValidator
+
+__plugin_name__ = 'ram_session'
+__version__ = [0,0,1]
+__type__ = 'session_handler'
+__loader__ = 'main.py'
+__author__ = "Lodel2 dev team"
+__fullname__ = "RAM Session Store Plugin"
+
+CONFSPEC = {
+    'lodel2.sessions':{
+        'expiration': (900, SettingValidator('int')),
+        'token_size': (512, SettingValidator('int')),
+    }
+}

plugins/ram_sessions/main.py

@@ -0,0 +1,42 @@
+#-*- coding: utf-8 -*-
+import os
+import copy
+
+from lodel.settings import Settings
+from lodel.auth.exceptions import *
+
+__sessions = dict()
+
+def _check_token(token):
+    if len(token) != Settings.sessions.token_size:
+        raise ClientAuthenticationFailure("Malformed session token")
+    if token not in __sessions:
+        raise ClientAuthenticationFailure("No session with this token")
+
+def start_session():
+    token = os.urandom(Settings.sessions.token_size)
+    __sessions[token] = dict()
+    return token
+
+def destroy_session(token):
+    _check_token(token)
+    del(__sessions[token])
+
+def restore_session(token):
+    _check_token(token)
+    return __sessions[token]
+
+def save_session(token, datas):
+    _check_token(token)
+    __sessions[token] = copy.copy(datas)
+
+
+def get_value(token, name):
+    _check_token(token)
+    return __sessions[token][name]
+
+def del_value(token, name):
+    _check_token(token)
+    if name in __sessions[token]:
+        del(__sessions[token][name])
+