stargazer/plugins/authorization/ao/ao.cpp

   1 /*
   2  *    This program is free software; you can redistribute it and/or modify
   3  *    it under the terms of the GNU General Public License as published by
   4  *    the Free Software Foundation; either version 2 of the License, or
   5  *    (at your option) any later version.
   6  *
   7  *    This program is distributed in the hope that it will be useful,
   8  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  *    GNU General Public License for more details.
  11  *
  12  *    You should have received a copy of the GNU General Public License
  13  *    along with this program; if not, write to the Free Software
  14  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  15  */
  16
  17 /*
  18  *    Author : Boris Mikhailenko <stg34@stargazer.dp.ua>
  19  */
  20
  21 /*
  22 $Revision: 1.30 $
  23 $Date: 2010/03/04 12:29:06 $
  24 $Author: faust $
  25 */
  26
  27 #include <unistd.h>
  28
  29 #include <csignal>
  30 #include <cassert>
  31 #include <algorithm> // for_each
  32 #include <functional> // mem_fun_ref
  33
  34 #include "stg/user.h"
  35 #include "stg/users.h"
  36 #include "stg/user_property.h"
  37 #include "stg/common.h"
  38 #include "stg/plugin_creator.h"
  39 #include "ao.h"
  40
  41 //-----------------------------------------------------------------------------
  42 //-----------------------------------------------------------------------------
  43 //-----------------------------------------------------------------------------
  44 static PLUGIN_CREATOR<AUTH_AO> aoc;
  45 //-----------------------------------------------------------------------------
  46 //-----------------------------------------------------------------------------
  47 //-----------------------------------------------------------------------------
  48 PLUGIN * GetPlugin()
  49 {
  50 return aoc.GetPlugin();
  51 }
  52 //-----------------------------------------------------------------------------
  53 //-----------------------------------------------------------------------------
  54 //-----------------------------------------------------------------------------
  55 std::string AUTH_AO::GetVersion() const
  56 {
  57 return "Always Online authorizator v.1.0";
  58 }
  59 //-----------------------------------------------------------------------------
  60 AUTH_AO::AUTH_AO()
  61     : users(NULL),
  62       isRunning(false),
  63       onAddUserNotifier(*this),
  64       onDelUserNotifier(*this),
  65       logger(GetPluginLogger(GetStgLogger(), "auth_ao"))
  66 {
  67 }
  68 //-----------------------------------------------------------------------------
  69 int AUTH_AO::Start()
  70 {
  71 printfd(__FILE__, "AUTH_AO::Start()\n");
  72 GetUsers();
  73
  74 users->AddNotifierUserAdd(&onAddUserNotifier);
  75 users->AddNotifierUserDel(&onDelUserNotifier);
  76
  77 std::for_each(userList.begin(), userList.end(), [this](auto user){ UpdateUserAuthorization(user); });
  78
  79 isRunning = true;
  80
  81 return 0;
  82 }
  83 //-----------------------------------------------------------------------------
  84 int AUTH_AO::Stop()
  85 {
  86 printfd(__FILE__, "AUTH_AO::Stop()\n");
  87 if (!isRunning)
  88     return 0;
  89
  90 users->DelNotifierUserAdd(&onAddUserNotifier);
  91 users->DelNotifierUserDel(&onDelUserNotifier);
  92
  93 auto it = userList.begin();
  94 while (it != userList.end())
  95     {
  96     if ((*it)->IsAuthorizedBy(this))
  97         users->Unauthorize((*it)->GetLogin(), this);
  98     UnSetUserNotifiers(*it);
  99     ++it;
 100     }
 101 isRunning = false;
 102 return 0;
 103 }
 104 //-----------------------------------------------------------------------------
 105 void AUTH_AO::SetUserNotifiers(USER_PTR u)
 106 {
 107 // ---------- AlwaysOnline -------------------
 108 CHG_BEFORE_NOTIFIER<int> BeforeChgAONotifier(*this, u);
 109 CHG_AFTER_NOTIFIER<int>  AfterChgAONotifier(*this, u);
 110
 111 BeforeChgAONotifierList.push_front(BeforeChgAONotifier);
 112 AfterChgAONotifierList.push_front(AfterChgAONotifier);
 113
 114 u->GetProperty().alwaysOnline.AddBeforeNotifier(&BeforeChgAONotifierList.front());
 115 u->GetProperty().alwaysOnline.AddAfterNotifier(&AfterChgAONotifierList.front());
 116 // ---------- AlwaysOnline end ---------------
 117
 118 // ---------- IP -------------------
 119 CHG_BEFORE_NOTIFIER<USER_IPS> BeforeChgIPNotifier(*this, u);
 120 CHG_AFTER_NOTIFIER<USER_IPS>  AfterChgIPNotifier(*this, u);
 121
 122 BeforeChgIPNotifierList.push_front(BeforeChgIPNotifier);
 123 AfterChgIPNotifierList.push_front(AfterChgIPNotifier);
 124
 125 u->GetProperty().ips.AddBeforeNotifier(&BeforeChgIPNotifierList.front());
 126 u->GetProperty().ips.AddAfterNotifier(&AfterChgIPNotifierList.front());
 127 // ---------- IP end ---------------
 128 }
 129 //-----------------------------------------------------------------------------
 130 void AUTH_AO::UnSetUserNotifiers(USER_PTR u)
 131 {
 132 // ---      AlwaysOnline        ---
 133 auto aoBIter = find_if(BeforeChgAONotifierList.begin(),
 134                        BeforeChgAONotifierList.end(),
 135                        [u](auto notifier){ return notifier.GetUser() == u; });
 136
 137 if (aoBIter != BeforeChgAONotifierList.end())
 138     {
 139     aoBIter->GetUser()->GetProperty().alwaysOnline.DelBeforeNotifier(&(*aoBIter));
 140     BeforeChgAONotifierList.erase(aoBIter);
 141     }
 142
 143 auto aoAIter = find_if(AfterChgAONotifierList.begin(),
 144                        AfterChgAONotifierList.end(),
 145                        [u](auto notifier){ return notifier.GetUser() == u; });
 146
 147 if (aoAIter != AfterChgAONotifierList.end())
 148     {
 149     aoAIter->GetUser()->GetProperty().alwaysOnline.DelAfterNotifier(&(*aoAIter));
 150     AfterChgAONotifierList.erase(aoAIter);
 151     }
 152 // ---      AlwaysOnline end    ---
 153
 154 // ---          IP              ---
 155 auto ipBIter = std::find_if(BeforeChgIPNotifierList.begin(),
 156                             BeforeChgIPNotifierList.end(),
 157                             [u](auto notifier){ return notifier.GetUser() == u; });
 158
 159 if (ipBIter != BeforeChgIPNotifierList.end())
 160     {
 161     ipBIter->GetUser()->GetProperty().ips.DelBeforeNotifier(&(*ipBIter));
 162     BeforeChgIPNotifierList.erase(ipBIter);
 163     }
 164
 165 auto ipAIter = find_if(AfterChgIPNotifierList.begin(),
 166                        AfterChgIPNotifierList.end(),
 167                        [u](auto notifier){ return notifier.GetUser() == u; });
 168
 169 if (ipAIter != AfterChgIPNotifierList.end())
 170     {
 171     ipAIter->GetUser()->GetProperty().ips.DelAfterNotifier(&(*ipAIter));
 172     AfterChgIPNotifierList.erase(ipAIter);
 173     }
 174 // ---          IP end          ---
 175 }
 176 //-----------------------------------------------------------------------------
 177 void AUTH_AO::GetUsers()
 178 {
 179 USER_PTR u;
 180 int h = users->OpenSearch();
 181 assert(h && "USERS::OpenSearch is always correct");
 182
 183 while (!users->SearchNext(h, &u))
 184     {
 185     userList.push_back(u);
 186     SetUserNotifiers(u);
 187     }
 188
 189 users->CloseSearch(h);
 190 }
 191 //-----------------------------------------------------------------------------
 192 void AUTH_AO::UpdateUserAuthorization(CONST_USER_PTR u) const
 193 {
 194 if (u->GetProperty().alwaysOnline)
 195     {
 196     USER_IPS ips = u->GetProperty().ips;
 197     if (ips.OnlyOneIP())
 198         {
 199         users->Authorize(u->GetLogin(), ips[0].ip, 0xFFffFFff, this);
 200         }
 201     }
 202 }
 203 //-----------------------------------------------------------------------------
 204 void AUTH_AO::AddUser(USER_PTR u)
 205 {
 206 SetUserNotifiers(u);
 207 userList.push_back(u);
 208 UpdateUserAuthorization(u);
 209 }
 210 //-----------------------------------------------------------------------------
 211 void AUTH_AO::DelUser(USER_PTR u)
 212 {
 213 if (u->IsAuthorizedBy(this))
 214     users->Unauthorize(u->GetLogin(), this);
 215 UnSetUserNotifiers(u);
 216 userList.erase(std::remove(userList.begin(), userList.end(), u), userList.end());
 217 }
 218 //-----------------------------------------------------------------------------
 219 int AUTH_AO::SendMessage(const STG_MSG &, uint32_t) const
 220 {
 221 errorStr = "Authorization modele \'AlwaysOnline\' does not support sending messages";
 222 return -1;
 223 }
 224 //-----------------------------------------------------------------------------
 225 template <typename varParamType>
 226 void CHG_BEFORE_NOTIFIER<varParamType>::Notify(const varParamType &, const varParamType &)
 227 {
 228 //EVENT_LOOP_SINGLETON::GetInstance().Enqueue(auth, &AUTH_AO::Unauthorize, user);
 229 if (user->IsAuthorizedBy(&auth))
 230     auth.users->Unauthorize(user->GetLogin(), &auth);
 231 }
 232 //-----------------------------------------------------------------------------
 233 template <typename varParamType>
 234 void CHG_AFTER_NOTIFIER<varParamType>::Notify(const varParamType &, const varParamType &)
 235 {
 236 //EVENT_LOOP_SINGLETON::GetInstance().Enqueue(auth, &AUTH_AO::UpdateUserAuthorization, user);
 237 auth.UpdateUserAuthorization(user);
 238 }
 239 //-----------------------------------------------------------------------------