79 lines
2.8 KiB
C#
79 lines
2.8 KiB
C#
#region license
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// This file is part of Vocaluxe.
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//
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// Vocaluxe is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Vocaluxe is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace ServerLib
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{
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static class CSessionControl
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{
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private static readonly Dictionary<Guid, CSession> _ActiveSessions = new Dictionary<Guid, CSession>();
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public static Guid OpenSession(string userName, string password)
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{
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if (!_ValidateUserAndPassword(userName, password))
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return Guid.Empty;
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Guid newId = Guid.NewGuid();
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int id = _GetProfileIdFormUsername(userName);
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EUserRoles roles = _GetUserRoles(id);
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CSession session = new CSession(newId, id, roles);
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InvalidateSessions(id);
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_ActiveSessions.Add(newId, session);
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return newId;
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}
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private static bool _ValidateUserAndPassword(string userName, string password)
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{
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return CServer.ValidatePassword(_GetProfileIdFormUsername(userName), password);
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}
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private static int _GetProfileIdFormUsername(string username)
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{
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return CServer.GetUserIdFromUsername(username);
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}
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private static EUserRoles _GetUserRoles(int profileId)
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{
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return (EUserRoles)CServer.GetUserRole(profileId);
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}
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internal static void InvalidateSessions(int profileId)
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{
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foreach (KeyValuePair<Guid, CSession> s in (from kv in _ActiveSessions
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where kv.Value.ProfileId == profileId
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select kv).ToList())
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_ActiveSessions.Remove(s.Key);
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}
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internal static bool RequestRight(Guid sessionId, EUserRights requestedRight)
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{
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return ((CUserRoleControl.GetUserRightsFromUserRole(_ActiveSessions[sessionId].Roles)
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.HasFlag(requestedRight)));
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}
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internal static int GetUserIdFromSession(Guid sessionId)
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{
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if (!_ActiveSessions.ContainsKey(sessionId))
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return -1;
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return _ActiveSessions[sessionId].ProfileId;
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}
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}
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} |