| 1 | <?php |
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| 2 | /********************************************************************\ |
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| 3 | * This program is free software; you can redistribute it and/or * |
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| 4 | * modify it under the terms of the GNU General Public License as * |
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| 5 | * published by the Free Software Foundation; either version 2 of * |
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| 6 | * the License, or (at your option) any later version. * |
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| 7 | * * |
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| 8 | * This program is distributed in the hope that it will be useful, * |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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| 11 | * GNU General Public License for more details. * |
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| 12 | * * |
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| 13 | * You should have received a copy of the GNU General Public License* |
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| 14 | * along with this program; if not, contact: * |
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| 15 | * * |
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| 16 | * Free Software Foundation Voice: +1-617-542-5942 * |
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| 17 | * 59 Temple Place - Suite 330 Fax: +1-617-542-2652 * |
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| 18 | * Boston, MA 02111-1307, USA gnu@gnu.org * |
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| 19 | * * |
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| 20 | \********************************************************************/ |
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| 21 | /**@file Authenticator.php |
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| 22 | * @author Copyright (C) 2005 Benoit Grégoire <bock@step.polymtl.ca>, |
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| 23 | * Technologies Coeus inc. |
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| 24 | */ |
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| 25 | |
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| 26 | /** Abstract class to represent an authentication source */ |
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| 27 | abstract class Authenticator |
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| 28 | { |
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| 29 | private $mAccountOrigin; |
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| 30 | |
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| 31 | function __construct($account_orgin) |
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| 32 | { |
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| 33 | $this->mAccountOrigin = $account_orgin; |
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| 34 | } |
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| 35 | |
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| 36 | public function getAccountOrigin() |
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| 37 | { |
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| 38 | return $this->mAccountOrigin; |
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| 39 | } |
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| 40 | |
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| 41 | /** Attempts to login a user against the authentication source. If successfull, returns a User object */ |
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| 42 | function login() |
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| 43 | { |
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| 44 | } |
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| 45 | |
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| 46 | /** Logs out the user */ |
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| 47 | function logout() |
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| 48 | { |
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| 49 | } |
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| 50 | |
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| 51 | /** Start accounting traffic for the user */ |
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| 52 | function acctStart($info) |
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| 53 | { |
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| 54 | global $db; |
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| 55 | $auth_response = $info['account_status']; |
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| 56 | /* Login the user */ |
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| 57 | $mac = $db->EscapeString($_REQUEST['mac']); |
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| 58 | $ip = $db->EscapeString($_REQUEST['ip']); |
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| 59 | $sql = "UPDATE connections SET "."token_status='".TOKEN_INUSE."',"."user_mac='$mac',"."user_ip='$ip',"."last_updated=NOW()"."WHERE conn_id='{$info['conn_id']}';\n"; |
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| 60 | $db->ExecSqlUpdate($sql, false); |
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| 61 | |
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| 62 | /* Logging in with a new token implies that all other active tokens should expire */ |
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| 63 | $token = $db->EscapeString($_REQUEST['token']); |
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| 64 | $sql = "UPDATE connections SET "."timestamp_out=NOW(), token_status='".TOKEN_USED."' "."WHERE user_id = '{$info['user_id']}' AND token_status='".TOKEN_INUSE."' AND token!='$token';\n"; |
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| 65 | $db->ExecSqlUpdate($sql, false); |
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| 66 | /* Delete all unused tokens for this user, so we don't fill the database with them */ |
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| 67 | $sql = "DELETE FROM connections "."WHERE token_status='".TOKEN_UNUSED."' AND user_id = '{$info['user_id']}';\n"; |
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| 68 | $db->ExecSqlUpdate($sql, false); |
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| 69 | } |
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| 70 | |
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| 71 | /** Update traffic counters */ |
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| 72 | function acctUpdate($info, $incoming, $outgoing) |
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| 73 | { |
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| 74 | // Write traffic counters to database |
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| 75 | global $db; |
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| 76 | $db->ExecSqlUpdate("UPDATE connections SET "."incoming='$incoming',"."outgoing='$outgoing',"."last_updated=NOW() "."WHERE conn_id='{$info['conn_id']}'"); |
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| 77 | } |
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| 78 | |
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| 79 | /** Final update and stop accounting */ |
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| 80 | function acctStop($info) |
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| 81 | { |
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| 82 | // Stop traffic counters update |
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| 83 | global $db; |
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| 84 | $db->ExecSqlUpdate("UPDATE connections SET "."timestamp_out=NOW(),"."token_status='".TOKEN_USED."' "."WHERE conn_id='{$info['conn_id']}';\n"); |
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| 85 | } |
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| 86 | |
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| 87 | /** |
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| 88 | * Property method that tells if the class allows registration |
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| 89 | */ |
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| 90 | function isRegistrationPermitted() |
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| 91 | { |
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| 92 | return false; |
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| 93 | } |
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| 94 | |
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| 95 | } // End class |
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| 96 | ?> |
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