lib/security.lib.php

   1 <?php
   2
   3 require_once('mitsql.lib.php');
   4
   5 class Login {
   6         var $id, $u, $p;
   7     var $info;
   8     function Login($u, $p=null) {
   9                 if (empty($u)) return;
  10                 $this->u = $u;
  11                 $this->p = $p;
  12                 if (is_numeric($u)) {
  13                         $this->id = $u;
  14                         $opt = sprintf(" UserId = '%s'", mysql_escape_string($u));
  15                 } else {
  16                         $opt = sprintf(" Username = '%s'", mysql_escape_string($u));
  17                         $opt .= (is_null($p)?'':sprintf(" AND Password='%s'", mysql_escape_string(base64_encode($p))));
  18                 }
  19         $sql = sprintf("SELECT UserId, Username, Name, Email, UL, bEnabled
  20                         FROM User
  21                         WHERE %s", $opt);
  22         $r = fetchRows(DBSelect($sql),'UserId');
  23                 $this->info = count($r)?array_shift($r):$r;
  24         }
  25     function exists() {
  26         return count($this->info);
  27     }
  28         function isValid() {
  29                 return $this->getUL()>0;
  30         }
  31     function isEnabled() {
  32         return $this->exists() && $this->info['bEnabled']==1;
  33     }
  34     function canLogin() {
  35         return $this->isEnabled() && $this->isValid();
  36     }
  37     function canSignup() {
  38         return !$this->isEnabled() && $this->isValid();
  39     }
  40     function getUserId() {
  41         return $this->exists()?$this->info['UserId']:'';
  42     }
  43     function getUsername() {
  44         return $this->exists()?$this->info['Username']:'';
  45     }
  46     function getName() {
  47         return $this->exists()?$this->info['Name']:'';
  48     }
  49     function getEmail() {
  50         return $this->exists()?$this->info['Email']:'';
  51     }
  52     function getUL() {
  53         return $this->exists()?$this->info['UL']:'';
  54     }
  55     function expire() {
  56         $this->info = null;
  57     }
  58     function refresh() {
  59                 if (!empty($this->id)) {
  60                         $this->Login($this->id);
  61                 } else {
  62                         $this->Login($this->u,$this->p);
  63                 }
  64     }
  65     function update($name=null,$email=null) {
  66         if (!$this->exists()) return;
  67         $arr = array();
  68                 if ($name == $this->getName()) $name = null;
  69                 if ($email == $this->getEmail()) $email = null;
  70         is_null($name) || $arr['Name'] = $name;
  71         is_null($email) || $arr['Email'] = $email;
  72                 $upd = buildSQLSet($arr);
  73         $sql = sprintf("UPDATE User %s WHERE UserId = '%s'",
  74                         $upd, mysql_escape_string($this->getUserId()));
  75                 if (!empty($upd) && $upd != 'SET')
  76                         DBUpdate($sql);
  77                 if (isset($arr['Name']))
  78                         $this->info['Name'] = $arr['Name'];
  79                 if (isset($arr['Email']))
  80                         $this->info['Email'] = $arr['Email'];
  81         }
  82 }
  83
  84 class User {
  85         var $userId;
  86         var $info;
  87         var $dblist;
  88     function User($userId) {
  89                 $this->userId = $userId;
  90         $sql = sprintf("SELECT User.UserId, Username, Password, Name, Email, UL, bEnabled, nBytesSoft, nBytesHard, nBytes, nDatabases, nDatabasesHard
  91                         FROM User
  92                                                 INNER JOIN UserQuota ON User.UserId = UserQuota.UserId
  93                                                 INNER JOIN UserStat ON User.UserId = UserStat.UserId
  94                         WHERE User.UserId = '%s'",
  95                         mysql_escape_string($userId));
  96         $r = fetchRows(DBSelect($sql),'UserId');
  97         $this->info = count($r)?array_shift($r):$r;
  98                 $this->dblist = $this->getDBList();
  99 //              $this->pass = base64_decode($this->info['Password']);
 100     }
 101         function refresh() {
 102                 unset($this->dblist);
 103                 $this->User($this->userId);
 104                 /*
 105         $sql = sprintf("SELECT UserId, Username, Password, Name, Email, UL, bEnabled
 106                         FROM User
 107                         WHERE UserId = '%s'",
 108                         mysql_escape_string($this->userId));
 109         $r = fetchRows(DBSelect($sql),'UserId');
 110         $this->info = count($r)?array_shift($r):$r;
 111                 unset($this->dblist);
 112                 $this->getDBList();
 113                 */
 114         }
 115     function exists() {
 116         return count($this->info);
 117     }
 118     function getUserId() {
 119         return $this->exists()?$this->info['UserId']:'';
 120     }
 121     function getUsername() {
 122         return $this->exists()?$this->info['Username']:'';
 123     }
 124     function getBytes() {
 125         if($this->exists()) {
 126                         $arr['nBytes'] = $this->info['nBytes'];
 127                         $arr['nBytesSoft'] = $this->info['nBytesSoft'];
 128                         $arr['nBytesHard'] = $this->info['nBytesHard'];
 129                         return $arr;
 130                 }
 131     }
 132         function setPassword($pwd) {
 133                 $arr['Password'] = base64_encode($pwd);
 134         $sql = sprintf("UPDATE User %s WHERE UserId = '%s'",
 135                         buildSQLSet($arr), mysql_escape_string($this->getUserId()));
 136         DBUpdate($sql);
 137                 $sql = sprintf('SET PASSWORD FOR \'%s\'@\'%%\'=PASSWORD(\'%s\')',
 138                                                 mysql_escape_string($this->getUsername()),
 139                                                 mysql_escape_string($pwd));
 140                 DBSet($sql);
 141         }
 142         function signup($pwd) {
 143                 $this->pass = $pwd;
 144                 $arr['Password'] = base64_encode($pwd);
 145                 $arr['bEnabled'] = 1;
 146                 $arr['dSignup'] = 'NOW()';
 147         $sql = sprintf("UPDATE User %s WHERE UserId = '%s'",
 148                         buildSQLSet($arr), mysql_escape_string($this->getUserId()));
 149         DBUpdate($sql);
 150
 151                 $this->setUsage();
 152                 $this->setAccess();
 153         }
 154         function setUsage($yes=true) {
 155                 $verb = $yes?'GRANT':'REVOKE';
 156                 $prep = $yes?'TO':'FROM';
 157                 $suffix = $yes?sprintf("IDENTIFIED BY '%s'",mysql_escape_string($this->pass)):'';
 158                 $sql = sprintf("%s USAGE ON * . * %s '%s'@'%s' %s",
 159                                                 mysql_escape_string($verb),
 160                                                 mysql_escape_string($prep),
 161                                                 mysql_escape_string($this->getUsername()),
 162                                                 '%',
 163                                                 $suffix);
 164                 DBGrant($sql);
 165         }
 166         function setAccess($db=null,$yes=true) {
 167                 $verb = $yes?'GRANT':'REVOKE';
 168                 $prep = $yes?'TO':'FROM';
 169                 if (is_null($db)) {
 170                         $dbs = $this->getDBList();
 171                 } else {
 172                         $dbs[] = array('Name'=>$db);
 173                 }
 174                 foreach($dbs as $db) {
 175                         $name = $db['Name'];
 176                         $sql = sprintf("%s ALL PRIVILEGES ON `%s` . * %s '%s'@'%s'",
 177                                                         mysql_escape_string($verb),
 178                                                         mysql_escape_string($name),
 179                                                         mysql_escape_string($prep),
 180                                                         mysql_escape_string($this->getUsername()),
 181                                                         '%');
 182                         DBGrant($sql);
 183                 }
 184         }
 185         function getDBList() {
 186                 if (isset($this->dblist)) {
 187                         return $this->dblist;
 188                 } else {
 189                         //                      LEFT JOIN DBQuota ON DBQuota.DatabaseId = DBOwner.DatabaseId
 190                         $sql = sprintf("SELECT *
 191                                                 FROM DBOwner
 192                                                 INNER JOIN DB ON DB.DatabaseId = DBOwner.DatabaseId
 193                                                 INNER JOIN DBQuota ON DBQuota.DatabaseId = DBOwner.DatabaseId
 194                                                 WHERE DBOwner.UserId = '%s' AND DB.bEnabled=1",
 195                                                 mysql_escape_string($this->getUserId()));
 196 //                      $r = fetchRows(DBSelect($sql),'DatabaseId');
 197                         $r = fetchRows(DBSelect($sql),'Name');
 198                         return $r;
 199                 }
 200         }
 201         function addDB($name) {
 202                 if (in_array($name, $this->getDBList())) return false;
 203                 if (!addDB($name, $this->getUserId())) return false;
 204                 $this->setAccess($name);
 205                 return true;
 206         }
 207         function delDB($name) {
 208                 if (!in_array($name, array_keys($this->getDBList()))) return false;
 209                 if (!delDB($name)) return false;//, $this->getUserId())) return false;
 210                 $this->setAccess($name,false);
 211                 return true;
 212         }
 213 }
 214
 215
 216 function isLoggedIn($aLogin=null) {
 217     if (is_null($aLogin)) {
 218         global $Login;
 219         $aLogin = $Login;
 220     }
 221     return !empty($aLogin) && is_a($aLogin, 'Login') && $aLogin->canLogin();
 222 }
 223
 224 function isAdmin($aLogin=null) {
 225     if (is_null($aLogin)) {
 226         global $Login;
 227         $aLogin = $Login;
 228     }
 229     return !empty($aLogin) && is_a($aLogin, 'Login') && $aLogin->getUL()>=100;
 230 }
 231
 232 function isImpersonating() {
 233         return isSess('_UserId') && isSess('UserId');
 234 }
 235
 236 function impersonate($userId=null) {
 237         $wasImpersonating = isImpersonating();
 238         if ($wasImpersonating) {
 239                 if (is_null($userId)) {
 240                         sess('UserId',sess('_UserId'));
 241                 } elseif ($userId>0) {
 242                         sess('UserId',$userId);
 243                 } else {
 244                         return false;
 245                 }
 246         } elseif (isLoggedIn()) {
 247                 sess('_UserId',sess('UserId'));
 248                 sess('UserId',$userId);
 249                 return true;
 250         } else {
 251                 return false;
 252         }
 253 }
 254
 255 function isSSL() {
 256         return $_SERVER['SERVER_PORT'] == 443;
 257 }
 258
 259 function getSSLCert() {
 260     if (DEVEL && file_exists('.forceauth')) {
 261         $fu = explode('|',file_get_contents('.forceauth'));
 262         $name = trim($fu[0]);
 263         $email = trim($fu[1]);
 264     } else {
 265         $name = isset($_SERVER['SSL_CLIENT_S_DN_CN'])?$_SERVER['SSL_CLIENT_S_DN_CN']:null;
 266         $email = isset($_SERVER['SSL_CLIENT_S_DN_Email'])?$_SERVER['SSL_CLIENT_S_DN_Email']:null;
 267     }
 268     if (!is_null($email)) {
 269         $user = explode('@',$email);
 270                 $user = $user[0];
 271         return array('Username'=>$user, 'Name'=>$name, 'Email'=>$email);
 272         } else {
 273                 return null;
 274         }
 275 }
 276
 277 ## 302 REDIRECTS
 278
 279 function redirect($target=null,$secure=null) {
 280     $base = (is_null($target)||substr($target,0,1)=='?')?$_SERVER['REDIRECT_URL']:(dirname($_SERVER['REDIRECT_URL']).'/');
 281     redirectFull(is_null($target)?$base:($base.$target),$secure);
 282 }
 283 function redirectFull($target,$secure) {
 284         redirect2((((isSSL()&&is_null($secure))||$secure==true)?'https://':'http://').$_SERVER['SERVER_NAME'].$target);
 285 }
 286 function redirect2($target) {
 287         header('Location: '.$target);
 288         exit;
 289 }
 290 function flipSSL() {
 291         return (isSSL()?'http://':'https://').$_SERVER['SERVER_NAME'].$_SERVER['REDIRECT_URL'];
 292 }
 293
 294 ## USER SCRIPTS
 295
 296 function addUser($sslCredentials) {
 297     global $_NEW_USER, $_NEW_USERQUOTA, $_NEW_USERSTAT;
 298
 299     $arr = array_merge($sslCredentials, $_NEW_USER);
 300     $sql = sprintf("INSERT INTO User %s",
 301                     buildSQLInsert($arr));
 302     $UserId = DBInsert($sql);
 303
 304         $arr = $_NEW_USERQUOTA;
 305         $arr['UserId'] = $UserId;
 306     $sql = sprintf("INSERT INTO UserQuota %s",
 307                     buildSQLInsert($arr));
 308         DBInsert($sql);
 309
 310         $arr = $_NEW_USERSTAT;
 311         $arr['UserId'] = $UserId;
 312     $sql = sprintf("INSERT INTO UserStat %s",
 313                     buildSQLInsert($arr));
 314         DBInsert($sql);
 315
 316         return $UserId;
 317 }
 318
 319 function addDB($dbname,$userid) {
 320         global $_NEW_DB, $_NEW_DBQUOTA, $_NEW_DBOWNER;
 321
 322         DBCreate(sprintf('CREATE DATABASE `%s`', mysql_escape_string($dbname)));
 323
 324         $newdb['Name'] = $dbname;
 325         $arr = array_merge($newdb, $_NEW_DB);
 326         $arr['bEnabled'] = 1;
 327         $sql = sprintf("INSERT IGNORE INTO DB %s",
 328                     buildSQLInsert($arr));
 329         $DBId = DBInsert($sql);
 330         if (empty($DBId)) {
 331                 $sql = sprintf("SELECT DatabaseId FROM DB WHERE Name = '%s'",
 332                                                 mysql_escape_string($dbname));
 333                 $r = fetchRows(DBSelect($sql), 'DatabaseId');
 334                 if (count($r)) {
 335                         $r = array_shift($r);
 336                         $DBId = $r['DatabaseId'];
 337                 } else {
 338                         return false;
 339                 }
 340                 $sql = sprintf("UPDATE DB %s WHERE DB.DatabaseId = '%s'",
 341                                                 buildSQLSet($arr),
 342                                                 $DBId);
 343                 DBUpdate($sql);
 344                 return $DBId;
 345         } else {
 346                 $arr = $_NEW_DBQUOTA;
 347                 $arr['DatabaseId'] = $DBId;
 348                 $sql = sprintf("INSERT IGNORE INTO DBQuota %s",
 349                                                 buildSQLInsert($arr));
 350                 DBInsert($sql);
 351
 352                 $arr = $_NEW_DBOWNER;
 353                 $arr['DatabaseId'] = $DBId;
 354                 $arr['UserId'] = $userid;
 355                 $sql = sprintf("INSERT IGNORE INTO DBOwner %s",
 356                                                 buildSQLInsert($arr));
 357                 DBInsert($sql);
 358
 359                 return $DBId;
 360         }
 361 }
 362
 363 function delDB($dbname) {
 364         global $_NEW_DB, $_NEW_DBQUOTA, $_NEW_DBOWNER;
 365
 366         DBCreate(sprintf('DROP DATABASE `%s`', mysql_escape_string($dbname)));
 367
 368         $arr['bEnabled'] = 0;
 369         $sql = sprintf("UPDATE DB %s WHERE DB.Name = '%s'",
 370                                         buildSQLSet($arr),
 371                                         $dbname);
 372         DBUpdate($sql);
 373
 374         return true;
 375 }
 376
 377 ?>