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bug: dropping database outside the interface stops interface for all users
[sql-web.git] / lib / security.lib.php
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1<?php
2
3require_once('mitsql.lib.php');
4
5class Login {
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6 private $id, $u, $p;
7 private $info;
997305cf 8 function Login($u, $p=null) {
377015e0 9 if (empty($u)) return;
e47be57b 10 $this->u = $u;
dc478ec8 11 $this->p = $p;
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12 if (is_numeric($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 }
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19 $sql = sprintf("SELECT UserId, Username, Name, Email, UL, bEnabled
20 FROM User
377015e0 21 WHERE %s", $opt);
997305cf 22 $r = fetchRows(DBSelect($sql),'UserId');
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23 $this->info = count($r)?array_shift($r):$r;
24 }
997305cf 25 function exists() {
dc478ec8 26 return count($this->info);
997305cf 27 }
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28 function isValid() {
29 return $this->getUL()>0;
30 }
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31 function isEnabled() {
32 return $this->exists() && $this->info['bEnabled']==1;
33 }
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34 function canLogin() {
35 return $this->isEnabled() && $this->isValid();
36 }
37 function canSignup() {
38 return !$this->isEnabled() && $this->isValid();
39 }
997305cf 40 function getUserId() {
dc478ec8 41 return $this->exists()?$this->info['UserId']:'';
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42 }
43 function getUsername() {
dc478ec8 44 return $this->exists()?$this->info['Username']:'';
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45 }
46 function getName() {
dc478ec8 47 return $this->exists()?$this->info['Name']:'';
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48 }
49 function getEmail() {
dc478ec8 50 return $this->exists()?$this->info['Email']:'';
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51 }
52 function getUL() {
dc478ec8 53 return $this->exists()?$this->info['UL']:'';
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54 }
55 function expire() {
56 $this->info = null;
57 }
58 function refresh() {
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59 if (!empty($this->id)) {
60 $this->Login($this->id);
61 } else {
62 $this->Login($this->u,$this->p);
63 }
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64 }
65 function update($name=null,$email=null) {
66 if (!$this->exists()) return;
67 $arr = array();
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68 if ($name == $this->getName()) $name = null;
69 if ($email == $this->getEmail()) $email = null;
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70 is_null($name) || $arr['Name'] = $name;
71 is_null($email) || $arr['Email'] = $email;
e47be57b 72 $upd = buildSQLSet($arr);
997305cf 73 $sql = sprintf("UPDATE User %s WHERE UserId = '%s'",
3ebfe9a3 74 $upd, mysql_escape_string($this->getUserId()));
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75 if (!empty($upd) && $upd != 'SET')
76 DBUpdate($sql);
dc478ec8 77 if (isset($arr['Name']))
377015e0 78 $this->info['Name'] = $arr['Name'];
dc478ec8 79 if (isset($arr['Email']))
377015e0 80 $this->info['Email'] = $arr['Email'];
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81 }
82}
83
84class User {
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85 private $userId;
86 private $info;
87 private $dblist;
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88 function User($userId) {
89 $this->userId = $userId;
9c70b481 90 $sql = sprintf("SELECT User.UserId, Username, Password, Name, Email, UL, bEnabled, nBytesSoft, nBytesHard, nBytes, nDatabases, nDatabasesHard, IF(nBytes>nBytesHard,1,0) AS bOverQuota
dc478ec8 91 FROM User
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92 INNER JOIN UserQuota ON User.UserId = UserQuota.UserId
93 INNER JOIN UserStat ON User.UserId = UserStat.UserId
88b7d384 94 WHERE User.UserId = '%s'",
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95 mysql_escape_string($userId));
96 $r = fetchRows(DBSelect($sql),'UserId');
97 $this->info = count($r)?array_shift($r):$r;
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98 $this->dblist = $this->getDBList();
99// $this->pass = base64_decode($this->info['Password']);
997305cf 100 }
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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 $this->getDBList();
113 */
114 }
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115 function exists() {
116 return count($this->info);
117 }
118 function getUserId() {
119 return $this->exists()?$this->info['UserId']:'';
120 }
121 function getUsername() {
122 return $this->exists()?$this->info['Username']:'';
88b7d384 123 }
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124 function isOverQuota() {
125 return $this->exists()?($this->info['bOverQuota']>0?true:false):'';
126 }
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127 function getBytes() {
128 if($this->exists()) {
129 $arr['nBytes'] = $this->info['nBytes'];
130 $arr['nBytesSoft'] = $this->info['nBytesSoft'];
131 $arr['nBytesHard'] = $this->info['nBytesHard'];
132 return $arr;
133 }
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134 }
135 function setPassword($pwd) {
136 $arr['Password'] = base64_encode($pwd);
137 $sql = sprintf("UPDATE User %s WHERE UserId = '%s'",
138 buildSQLSet($arr), mysql_escape_string($this->getUserId()));
139 DBUpdate($sql);
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140 $sql = sprintf('SET PASSWORD FOR \'%s\'@\'%%\'=PASSWORD(\'%s\')',
141 mysql_escape_string($this->getUsername()),
142 mysql_escape_string($pwd));
143 DBSet($sql);
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144 }
145 function signup($pwd) {
146 $this->pass = $pwd;
147 $arr['Password'] = base64_encode($pwd);
148 $arr['bEnabled'] = 1;
149 $arr['dSignup'] = 'NOW()';
150 $sql = sprintf("UPDATE User %s WHERE UserId = '%s'",
151 buildSQLSet($arr), mysql_escape_string($this->getUserId()));
152 DBUpdate($sql);
153
154 $this->setUsage();
155 $this->setAccess();
156 }
157 function setUsage($yes=true) {
158 $verb = $yes?'GRANT':'REVOKE';
159 $prep = $yes?'TO':'FROM';
3ebfe9a3 160 $suffix = $yes?sprintf("IDENTIFIED BY '%s'",mysql_escape_string($this->pass)):'';
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161 $sql = sprintf("%s USAGE ON * . * %s '%s'@'%s' %s",
162 mysql_escape_string($verb),
163 mysql_escape_string($prep),
164 mysql_escape_string($this->getUsername()),
165 '%',
3ebfe9a3 166 $suffix);
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167 DBGrant($sql);
168 }
169 function setAccess($db=null,$yes=true) {
170 $verb = $yes?'GRANT':'REVOKE';
171 $prep = $yes?'TO':'FROM';
172 if (is_null($db)) {
88b7d384 173 $dbs = $this->getDBList();
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174 } else {
175 $dbs[] = array('Name'=>$db);
176 }
177 foreach($dbs as $db) {
178 $name = $db['Name'];
179 $sql = sprintf("%s ALL PRIVILEGES ON `%s` . * %s '%s'@'%s'",
180 mysql_escape_string($verb),
181 mysql_escape_string($name),
182 mysql_escape_string($prep),
377015e0 183 mysql_escape_string($this->getUsername()),
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184 '%');
185 DBGrant($sql);
186 }
187 }
188 function getDBList() {
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189 if (isset($this->dblist)) {
190 return $this->dblist;
191 } else {
192 // LEFT JOIN DBQuota ON DBQuota.DatabaseId = DBOwner.DatabaseId
193 $sql = sprintf("SELECT *
dc478ec8 194 FROM DBOwner
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195 INNER JOIN DB ON DB.DatabaseId = DBOwner.DatabaseId
196 INNER JOIN DBQuota ON DBQuota.DatabaseId = DBOwner.DatabaseId
88b7d384 197 WHERE DBOwner.UserId = '%s' AND DB.bEnabled=1",
dc478ec8 198 mysql_escape_string($this->getUserId()));
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199// $r = fetchRows(DBSelect($sql),'DatabaseId');
200 $r = fetchRows(DBSelect($sql),'Name');
9c70b481 201 ksort($r);
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202 return $r;
203 }
dc478ec8 204 }
377015e0 205 function addDB($name) {
4a77eeb5 206 if (in_array($name, array_keys($this->getDBList()))) return false;
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207 if (!addDB($name, $this->getUserId())) return false;
208 $this->setAccess($name);
209 return true;
210 }
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211 function delDB($name) {
212 if (!in_array($name, array_keys($this->getDBList()))) return false;
213 if (!delDB($name)) return false;//, $this->getUserId())) return false;
214 $this->setAccess($name,false);
215 return true;
216 }
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217}
218
219
220function isLoggedIn($aLogin=null) {
221 if (is_null($aLogin)) {
222 global $Login;
223 $aLogin = $Login;
224 }
e346f2b3 225 return !empty($aLogin) && ($aLogin instanceof Login) && $aLogin->canLogin();
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226}
227
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228function isAdmin($aLogin=null) {
229 if (is_null($aLogin)) {
230 global $Login;
231 $aLogin = $Login;
232 }
e346f2b3 233 return !empty($aLogin) && ($aLogin instanceof Login) && $aLogin->getUL()>=100;
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234}
235
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236function isImpersonating() {
237 return isSess('_UserId') && isSess('UserId');
238}
239
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240function isOffline() {
241 return (defined('OFFLINE') && OFFLINE);
242}
243
244function isOnline() {
245 return !isOffline();
246}
247
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248function impersonate($userId=null) {
249 $wasImpersonating = isImpersonating();
250 if ($wasImpersonating) {
224df904 251 if (is_null($userId) || empty($userId)) {
88b7d384 252 sess('UserId',sess('_UserId'));
224df904 253 sess('_UserId','');
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254 } elseif ($userId>0) {
255 sess('UserId',$userId);
256 } else {
257 return false;
258 }
259 } elseif (isLoggedIn()) {
260 sess('_UserId',sess('UserId'));
261 sess('UserId',$userId);
262 return true;
263 } else {
264 return false;
265 }
266}
267
997305cf 268function isSSL() {
aaaa7a8f 269 return isset($_SERVER['SERVER_PORT'])?($_SERVER['SERVER_PORT'] == 443):false;
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270}
271
272function getSSLCert() {
273 if (DEVEL && file_exists('.forceauth')) {
274 $fu = explode('|',file_get_contents('.forceauth'));
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275 $name = trim($fu[0]);
276 $email = trim($fu[1]);
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277 } else {
278 $name = isset($_SERVER['SSL_CLIENT_S_DN_CN'])?$_SERVER['SSL_CLIENT_S_DN_CN']:null;
279 $email = isset($_SERVER['SSL_CLIENT_S_DN_Email'])?$_SERVER['SSL_CLIENT_S_DN_Email']:null;
280 }
281 if (!is_null($email)) {
282 $user = explode('@',$email);
283 $user = $user[0];
284 return array('Username'=>$user, 'Name'=>$name, 'Email'=>$email);
285 } else {
286 return null;
287 }
288}
289
290## 302 REDIRECTS
291
1389493c 292function redirect($target=null,$secure=null) {
997305cf 293 $base = (is_null($target)||substr($target,0,1)=='?')?$_SERVER['REDIRECT_URL']:(dirname($_SERVER['REDIRECT_URL']).'/');
dc478ec8 294 redirectFull(is_null($target)?$base:($base.$target),$secure);
997305cf 295}
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296function redirectStart() {
297 redirectFull(BASE_URL,null);
298}
dc478ec8 299function redirectFull($target,$secure) {
1389493c 300 redirect2((((isSSL()&&is_null($secure))||$secure==true)?'https://':'http://').$_SERVER['SERVER_NAME'].$target);
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301}
302function redirect2($target) {
303 header('Location: '.$target);
304 exit;
305}
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306function flipSSL() {
307 return (isSSL()?'http://':'https://').$_SERVER['SERVER_NAME'].$_SERVER['REDIRECT_URL'];
308}
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309
310## USER SCRIPTS
311
312function addUser($sslCredentials) {
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313 global $_NEW_USER, $_NEW_USERQUOTA, $_NEW_USERSTAT;
314
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315 $arr = array_merge($sslCredentials, $_NEW_USER);
316 $sql = sprintf("INSERT INTO User %s",
317 buildSQLInsert($arr));
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318 $UserId = DBInsert($sql);
319
320 $arr = $_NEW_USERQUOTA;
321 $arr['UserId'] = $UserId;
322 $sql = sprintf("INSERT INTO UserQuota %s",
323 buildSQLInsert($arr));
324 DBInsert($sql);
325
326 $arr = $_NEW_USERSTAT;
327 $arr['UserId'] = $UserId;
1389493c 328 $sql = sprintf("INSERT INTO UserStat %s",
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329 buildSQLInsert($arr));
330 DBInsert($sql);
331
332 return $UserId;
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333}
334
377015e0 335function addDB($dbname,$userid) {
e47be57b 336 global $_NEW_DB, $_NEW_DBQUOTA, $_NEW_DBOWNER;
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337
338 DBCreate(sprintf('CREATE DATABASE `%s`', mysql_escape_string($dbname)));
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339
340 $newdb['Name'] = $dbname;
e47be57b 341 $arr = array_merge($newdb, $_NEW_DB);
377015e0 342 $arr['bEnabled'] = 1;
e47be57b 343 $sql = sprintf("INSERT IGNORE INTO DB %s",
377015e0 344 buildSQLInsert($arr));
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345 $DBId = DBInsert($sql);
346 if (empty($DBId)) {
347 $sql = sprintf("SELECT DatabaseId FROM DB WHERE Name = '%s'",
348 mysql_escape_string($dbname));
349 $r = fetchRows(DBSelect($sql), 'DatabaseId');
350 if (count($r)) {
351 $r = array_shift($r);
352 $DBId = $r['DatabaseId'];
353 } else {
354 return false;
355 }
356 $sql = sprintf("UPDATE DB %s WHERE DB.DatabaseId = '%s'",
357 buildSQLSet($arr),
358 $DBId);
359 DBUpdate($sql);
360 return $DBId;
361 } else {
362 $arr = $_NEW_DBQUOTA;
363 $arr['DatabaseId'] = $DBId;
364 $sql = sprintf("INSERT IGNORE INTO DBQuota %s",
365 buildSQLInsert($arr));
366 DBInsert($sql);
377015e0 367
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368 $arr = $_NEW_DBOWNER;
369 $arr['DatabaseId'] = $DBId;
370 $arr['UserId'] = $userid;
371 $sql = sprintf("INSERT IGNORE INTO DBOwner %s",
372 buildSQLInsert($arr));
373 DBInsert($sql);
377015e0 374
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375 return $DBId;
376 }
377}
378
379function delDB($dbname) {
380 global $_NEW_DB, $_NEW_DBQUOTA, $_NEW_DBOWNER;
381
382 DBCreate(sprintf('DROP DATABASE `%s`', mysql_escape_string($dbname)));
383
384 $arr['bEnabled'] = 0;
385 $sql = sprintf("UPDATE DB %s WHERE DB.Name = '%s'",
386 buildSQLSet($arr),
387 $dbname);
388 DBUpdate($sql);
377015e0 389
e47be57b 390 return true;
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391}
392
88b7d384 393?>
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