| 1 | <?php |
| 2 | /* |
| 3 | * Copyright (C) 2003-2004 Polytechnique.org |
| 4 | * http://opensource.polytechnique.org/ |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | |
| 22 | require_once 'diogenes/diogenes.core.session.inc.php'; |
| 23 | require_once 'diogenes/diogenes.core.logger.inc.php'; |
| 24 | |
| 25 | /** This class describes a Diogenes session. |
| 26 | */ |
| 27 | class DiogenesSession extends DiogenesCoreSession { |
| 28 | /** full name */ |
| 29 | var $fullname; |
| 30 | /** is this a native Diogenes account? */ |
| 31 | var $auth = "native"; |
| 32 | |
| 33 | |
| 34 | /** The constructor. |
| 35 | */ |
| 36 | function DiogenesSession() { |
| 37 | $this->DiogenesCoreSession(); |
| 38 | $this->username = "anonymous"; |
| 39 | $this->perms->addFlag('public'); |
| 40 | } |
| 41 | |
| 42 | |
| 43 | /** Try to do a Diogenes authentication. |
| 44 | * |
| 45 | * @param page the calling page (by reference) |
| 46 | */ |
| 47 | function doAuth(&$page) { |
| 48 | global $globals; |
| 49 | |
| 50 | if ($this->perms->hasflag("auth")) |
| 51 | return; |
| 52 | |
| 53 | /* do we have authentication tokens for auth ? */ |
| 54 | if (isset($_REQUEST['login']) && isset($_REQUEST['response'])) { |
| 55 | // remember login for a year |
| 56 | setcookie('DiogenesLogin',$_REQUEST['login'],(time()+25920000)); |
| 57 | |
| 58 | // lookup user |
| 59 | $res = $globals->db->query("SELECT user_id,username,password,firstname,lastname,perms FROM {$globals->tauth['native']} WHERE username='{$_REQUEST['login']}'"); |
| 60 | if (!list($uid,$username,$password,$firstname,$lastname,$perms) = mysql_fetch_row($res)) { |
| 61 | $page->info(__("Authentication error!")); |
| 62 | $this->doLogin($page); |
| 63 | } |
| 64 | mysql_free_result($res); |
| 65 | |
| 66 | // check response |
| 67 | if ($_REQUEST['response'] != md5("{$_REQUEST['login']}:$password:{$this->challenge}")) |
| 68 | { |
| 69 | // log the login failure |
| 70 | $logger = new DiogenesCoreLogger($uid); |
| 71 | $logger->log("auth_fail",$_REQUEST['login']); |
| 72 | $page->info(__("Authentication error!")); |
| 73 | $this->doLogin($page); |
| 74 | } |
| 75 | |
| 76 | // retrieve user info |
| 77 | $this->uid = $uid; |
| 78 | $this->username = $username; |
| 79 | $this->firstname = $firstname; |
| 80 | $this->lastname = $lastname; |
| 81 | $this->fullname = $firstname . ($lastname ? " $lastname" : ""); |
| 82 | |
| 83 | // create logger |
| 84 | $logstr = $this->username . (empty($page->alias) ? "" : "@{$page->alias}"); |
| 85 | $_SESSION['log'] = new DiogenesCoreLogger($this->uid); |
| 86 | $_SESSION['log']->log("auth_ok",$logstr); |
| 87 | |
| 88 | // set user permissions |
| 89 | $this->perms->addFlag('auth'); |
| 90 | if ($perms == "admin") { |
| 91 | $this->perms->addflag('root'); |
| 92 | } |
| 93 | |
| 94 | } else { |
| 95 | $this->doLogin($page); |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | |
| 100 | /** Try to login for WebDAV (plain-text password). |
| 101 | * |
| 102 | * Return true for success, false for failure. |
| 103 | */ |
| 104 | function doAuthWebDAV($user,$pass) |
| 105 | { |
| 106 | global $globals; |
| 107 | |
| 108 | if ($this->perms->hasflag("auth")) |
| 109 | return true; |
| 110 | |
| 111 | // check credentials |
| 112 | $pass = md5($pass); |
| 113 | $res = $globals->db->query("SELECT user_id,username,perms FROM {$globals->tauth['native']} WHERE username='$user' AND password='$pass'"); |
| 114 | if (!list($uid,$user,$perms) = mysql_fetch_row($res)) |
| 115 | return false; |
| 116 | |
| 117 | // retrieve user info |
| 118 | $this->uid = $uid; |
| 119 | $this->username = $user; |
| 120 | |
| 121 | // create logger |
| 122 | $_SESSION['log'] = new DiogenesWebDAVLogger($this->uid,$this->auth,$this->username); |
| 123 | |
| 124 | // set user permissions |
| 125 | $this->perms->addFlag('auth'); |
| 126 | if ($perms == "admin") { |
| 127 | $this->perms->addflag('root'); |
| 128 | } |
| 129 | |
| 130 | return true; |
| 131 | } |
| 132 | |
| 133 | |
| 134 | /** Display login screen. |
| 135 | */ |
| 136 | function doLogin(&$page) { |
| 137 | $page->assign('greeting',__("Diogenes login")); |
| 138 | $page->assign('msg_connexion', __("Connexion")); |
| 139 | $page->assign('msg_password',__("password")); |
| 140 | $page->assign('msg_submit',__("Submit")); |
| 141 | $page->assign('msg_username', __("username")); |
| 142 | |
| 143 | if (isset($_COOKIE['DiogenesLogin'])) |
| 144 | $page->assign('username', $_COOKIE['DiogenesLogin']); |
| 145 | $page->assign('post',htmlentities($page->script_uri())); |
| 146 | $page->assign('challenge',$this->challenge); |
| 147 | $page->assign('md5',$page->url("md5.js")); |
| 148 | $page->display('login.tpl'); |
| 149 | exit; |
| 150 | } |
| 151 | |
| 152 | |
| 153 | /** Read a user's permissions for a given barrel. |
| 154 | * |
| 155 | * @param alias the name of the barrel |
| 156 | */ |
| 157 | function setBarrelPerms($alias) { |
| 158 | global $globals; |
| 159 | |
| 160 | // if the user is logged in, refresh his/her permissions |
| 161 | if ($this->perms->hasflag('auth')) { |
| 162 | if ($this->perms->hasflag('root')) { |
| 163 | $this->perms->addflag('user'); |
| 164 | $this->perms->addflag('admin'); |
| 165 | } else { |
| 166 | $this->perms->rmflag('user'); |
| 167 | $this->perms->rmflag('admin'); |
| 168 | } |
| 169 | |
| 170 | // read site specific permissions |
| 171 | $res = $globals->db->query("SELECT perms FROM diogenes_perm WHERE alias='{$alias}' AND auth='{$this->auth}' AND uid='{$this->uid}'"); |
| 172 | if (list($tmp) = mysql_fetch_row($res)) { |
| 173 | $this->perms->addflag('user'); |
| 174 | $this->perms->addflag($tmp); |
| 175 | } |
| 176 | mysql_free_result($res); |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | } |
| 181 | |
| 182 | ?> |