inc/libs/admins_functions.php

   1 <?php
   2 /************************************************************************
   3  * MXChange v0.2.1                                    Start: 06/30/2003 *
   4  * ===============                              Last change: 11/27/2004 *
   5  *                                                                      *
   6  * -------------------------------------------------------------------- *
   7  * File              : admins_functions.php                             *
   8  * -------------------------------------------------------------------- *
   9  * Short description : Functions for the admins extension               *
  10  * -------------------------------------------------------------------- *
  11  * Kurzbeschreibung  : Funktionen fuer die admins-Erweiterung           *
  12  * -------------------------------------------------------------------- *
  13  *                                                                      *
  14  * -------------------------------------------------------------------- *
  15  * Copyright (c) 2003 - 2008 by Roland Haeder                           *
  16  * For more information visit: http://www.mxchange.org                  *
  17  *                                                                      *
  18  * This program is free software; you can redistribute it and/or modify *
  19  * it under the terms of the GNU General Public License as published by *
  20  * the Free Software Foundation; either version 2 of the License, or    *
  21  * (at your option) any later version.                                  *
  22  *                                                                      *
  23  * This program is distributed in the hope that it will be useful,      *
  24  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  25  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  26  * GNU General Public License for more details.                         *
  27  *                                                                      *
  28  * You should have received a copy of the GNU General Public License    *
  29  * along with this program; if not, write to the Free Software          *
  30  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
  31  * MA  02110-1301  USA                                                  *
  32  ************************************************************************/
  33
  34 // Some security stuff...
  35 if (!defined('__SECURITY')) {
  36         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
  37         require($INC);
  38 }
  39
  40 // Check ACL for menu combination
  41 function ADMINS_CHECK_ACL($act, $wht) {
  42         global $cacheArray, $_CONFIG, $cacheInstance;
  43         // If action is login or logout allow allways!
  44         $default = "allow";
  45         if (($act == "login") || ($act == "logout")) return true;
  46
  47         // Default is deny
  48         $ret = false;
  49
  50         // Get admin's defult access right
  51         if (!empty($cacheArray['admins']['def_acl'][get_session('admin_login')])) {
  52                 // Load from cache
  53                 $default = $cacheArray['admins']['def_acl'][get_session('admin_login')];
  54
  55                 // Count cache hits
  56                 $_CONFIG['cache_hits']++;
  57         } elseif (!is_object($cacheInstance)) {
  58                 // Load from database
  59                 $result = SQL_QUERY_ESC("SELECT default_acl FROM "._MYSQL_PREFIX."_admins WHERE login='%s' LIMIT 1",
  60                  array(get_session('admin_login')), __FILE__, __LINE__);
  61                 list($default) = SQL_FETCHROW($result);
  62                 SQL_FREERESULT($result);
  63         }
  64
  65         // Get admin's ID
  66         $aid = GET_ADMIN_ID(get_session('admin_login'));
  67
  68         if (!empty($wht)) {
  69                 // Check for parent menu:
  70                 // First get it's action value
  71                 $parent_action = GET_ACTION("admin", $wht);
  72
  73                 // Check with this function...
  74                 $parent = ADMINS_CHECK_ACL($parent_action, "");
  75         } else {
  76                 // Anything else is true!
  77                 $parent = false;
  78         }
  79
  80         // Shall I test for a main or sub menu? (action or what?)
  81         $lines = 0; $acl_mode = "failed";
  82         if (GET_EXT_VERSION("cache") >= "0.1.2") {
  83                 // Load only from array when there are lines!
  84                 if ((isset($cacheArray['admin_acls'])) && (is_array($cacheArray['admin_acls'])) && (count($cacheArray['admin_acls']) > 0)) {
  85                         // Load ACL from array
  86                         foreach ($cacheArray['admin_acls']['admin_id'] as $id => $aid_acls) {
  87                                 if ($aid == $aid_acls) {
  88                                         // Okay, one line was found!
  89                                         if ((!empty($act)) && ($cacheArray['admin_acls']['action_menu'][$id] == $act)) {
  90                                                 // Main menu line found
  91                                                 $acl_mode = $cacheArray['admin_acls']['access_mode'][$id];
  92                                                 $lines = 1;
  93                                         }
  94                                          elseif ((!empty($wht)) && ($cacheArray['admin_acls']['what_menu'][$id] == $wht)) {
  95                                                 // Check sub menu
  96                                                 $acl_mode = $cacheArray['admin_acls']['access_mode'][$id];
  97                                                 $lines = 1;
  98                                         }
  99                                         if ($lines == 1) {
 100                                                 // Count cache hits
 101                                                 $_CONFIG['cache_hits']++;
 102                                                 break;
 103                                         }
 104                                 }
 105                         }
 106
 107                         // No ACL found?
 108                         if ($acl_mode == "failed") {
 109                                 $acl_mode = "";
 110                                 $lines = 0;
 111                         }
 112                 } else {
 113                         // No lines here
 114                         $lines = 0;
 115                 }
 116         } else {
 117                 // Old version, so load it from database
 118                 if (!empty($act))
 119                 {
 120                         // Main menu
 121                         $result = SQL_QUERY_ESC("SELECT access_mode FROM "._MYSQL_PREFIX."_admins_acls WHERE admin_id=%s AND action_menu='%s' LIMIT 1",
 122                          array(bigintval($aid), $act), __FILE__, __LINE__);
 123                 } elseif (!empty($wht)) {
 124                         // Sub menu
 125                         $result = SQL_QUERY_ESC("SELECT access_mode FROM "._MYSQL_PREFIX."_admins_acls WHERE admin_id=%s AND what_menu='%s' LIMIT 1",
 126                          array(bigintval($aid), $wht), __FILE__, __LINE__);
 127                 }
 128
 129                 // Get number of lines
 130                 $lines = SQL_NUMROWS($result);
 131
 132                 // Load ACL
 133                 list($acl_mode) = SQL_FETCHROW($result);
 134                 SQL_FREERESULT($result);
 135         }
 136
 137         // Check ACL and (maybe) allow
 138         if ((($default == "allow") && ($lines == 0)) || (($default == "deny") && ($lines == "1") && ($acl_mode == "allow")) || (($lines == 0) && ($parent))) $ret = true;
 139
 140         // Return value
 141         return $ret;
 142 }
 143
 144 // Create email link to admins's account
 145 function ADMINS_CREATE_EMAIL_LINK($email, $mod="admin") {
 146         $locked = " AND status='CONFIRMED'";
 147         if (IS_ADMIN()) $locked = "";
 148         if (strpos("@", $email) > 0) {
 149                 // Create email link
 150                 $result = SQL_QUERY_ESC("SELECT id
 151 FROM "._MYSQL_PREFIX."_admins
 152 WHERE email='%s'".$locked." LIMIT 1",
 153  array($email), __FILE__, __LINE__);
 154
 155                 // Is there an entry?
 156                 if (SQL_NUMROWS($result) == 1) {
 157                         // Load userid
 158                         list($uid) = SQL_FETCHROW($result);
 159
 160                         // Rewrite email address to contact link
 161                         $email = URL."/modules.php?module=".$mod."&amp;what=user_contct&amp;u_id=".bigintval($uid);
 162                 }
 163
 164                 // Free memory
 165                 SQL_FREERESULT($result);
 166         } elseif (bigintval($email) > 0) {
 167                 // Direct ID given
 168                 $email = URL."/modules.php?module=".$mod."&amp;what=admins_contct&amp;admin=".bigintval($email);
 169         }
 170
 171         // Return rewritten (?) email address
 172         return $email;
 173 }
 174
 175 // Change a lot admin account
 176 function ADMINS_CHANGE_ADMIN_ACCOUNT($POST) {
 177         global $cacheInstance;
 178
 179         // Begin the update
 180         $cache_update = 0;
 181         foreach ($POST['login'] as $id => $login) {
 182                 // Secure ID number
 183                 $id = bigintval($id);
 184
 185                 // When both passwords match update admin account
 186                 if ($POST['pass1'][$id] == $POST['pass2'][$id]) {
 187                         // Save only when both passwords are the same (also when they are empty)
 188                         $ADD = ""; $cache_update = "1";
 189
 190                         // Generate hash
 191                         $hash = generateHash($POST['pass1'][$id]);
 192
 193                         // Save password when set
 194                         if (!empty($POST['pass1'][$id])) $ADD = sprintf(", password='%s'", SQL_ESCAPE($hash));
 195
 196                         // Get admin's ID
 197                         $salt = substr(GET_ADMIN_HASH(get_session('admin_login')), 0, -40);
 198                         $aid = GET_ADMIN_ID(get_session('admin_login'));
 199
 200                         // Rewrite cookie when it's own account
 201                         if ($aid == $id) {
 202                                 // Set timeout cookie
 203                                 set_session("admin_last", time());
 204
 205                                 if ($login != get_session('admin_login')) {
 206                                         // Update login cookie
 207                                         set_session("admin_login", $login);
 208
 209                                         // Update password cookie as well?
 210                                         if (!empty($ADD)) set_session("admin_md5", $hash);
 211                                 } elseif (generateHash($POST['pass1'][$id], $salt) != get_session('admin_md5')) {
 212                                         // Update password cookie
 213                                         set_session("admin_md5", $hash);
 214                                 }
 215
 216                         }
 217
 218                         // Get default ACL from admin to check if we can allow him to change the default ACL
 219                         $result = SQL_QUERY_ESC("SELECT default_acl FROM "._MYSQL_PREFIX."_admins WHERE login='%s' LIMIT 1",
 220                          array(get_session('admin_login')), __FILE__, __LINE__);
 221                         list($default) = SQL_FETCHROW($result);
 222
 223                         // Free result
 224                         SQL_FREERESULT($result);
 225
 226                         // Update admin account
 227                         if ($default == "allow") {
 228                                 // Allow changing default ACL
 229                                 $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_admins SET
 230 login='%s'".$ADD.",
 231 email='%s',
 232 default_acl='%s',
 233 la_mode='%s'
 234 WHERE id=%s LIMIT 1",
 235  array(
 236         $login,
 237         $POST['email'][$id],
 238         $POST['mode'][$id],
 239         $POST['la_mode'][$id],
 240         $id
 241 ), __FILE__, __LINE__);
 242                         } else {
 243                                 // Do not allow it here
 244                                 $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_admins SET
 245 login='%s'".$ADD.",
 246 email='%s',
 247 la_mode='%s'
 248 WHERE id=%s LIMIT 1",
 249  array(
 250         $login,
 251         $POST['email'][$id],
 252         $POST['la_mode'][$id],
 253         $id
 254 ), __FILE__, __LINE__);
 255                         }
 256
 257                         // Purge cache
 258                         CACHE_PURGE_ADMIN_MENU($id);
 259
 260                         // Admin account saved
 261                         $MSG = ADMIN_ACCOUNT_SAVED;
 262                 } else {
 263                         // Passwords did not match
 264                         $MSG = ADMINS_ERROR_PASS_MISMATCH;
 265                 }
 266
 267                 // Display message
 268                 if (!empty($MSG)) {
 269                         LOAD_TEMPLATE("admin_settings_saved", false, "<SPAN class=\"admin_done\">".$MSG."</SPAN>");
 270                 }
 271         }
 272
 273         // Remove cache file
 274         if ((EXT_IS_ACTIVE("cache")) && ($cache_update == "1")) {
 275                 if ($cacheInstance->cache_file("admins", true)) $cacheInstance->cache_destroy();
 276         }
 277 }
 278
 279 // Make admin accounts editable
 280 function ADMINS_EDIT_ADMIN_ACCOUNTS ($POST) {
 281         // Begin the edit loop
 282         $SW = 2; $OUT = "";
 283         foreach ($POST['sel'] as $id => $sel) {
 284                 // Secure ID number
 285                 $id = bigintval($id);
 286
 287                 // Get the admin's data
 288                 $result = SQL_QUERY_ESC("SELECT login, email, default_acl AS mode, la_mode FROM "._MYSQL_PREFIX."_admins WHERE id=%s LIMIT 1",
 289                  array($id), __FILE__, __LINE__);
 290                 if ((SQL_NUMROWS($result) == 1) && ($sel == 1)) {
 291                         // Entry found
 292                         $content = SQL_FETCHARRAY($result);
 293                         SQL_FREERESULT($result);
 294
 295                         // Prepare some more data for the template
 296                         $content['sw'] = $SW;
 297                         $content['id'] = $id;
 298
 299                         // Shall we allow changing default ACL?
 300                         if ($content['mode'] == "allow") {
 301                                 // Allow chaning it
 302                                 $content['mode']    = ADD_OPTION_LINES("/ARRAY/", array("allow", "deny"), array(ADMINS_ALLOW_MODE, ADMINS_DENY_MODE), $content['mode']);
 303                         } else {
 304                                 // Don't allow it
 305                                 $content['mode'] = "&nbsp;";
 306                         }
 307                         $content['la_mode'] = ADD_OPTION_LINES("/ARRAY/", array("global", "OLD", "NEW"), array(ADMINS_GLOBAL_LA_SETTING, ADMINS_OLD_LA_SETTING, ADMINS_NEW_LA_SETTING), $content['la_mode']);
 308
 309                         // Load row template and switch color
 310                         $OUT .= LOAD_TEMPLATE("admin_edit_admins_row", true, $content);
 311                         $SW = 3 - $SW;
 312                 }
 313         }
 314         define('__ADMINS_ROWS', $OUT);
 315
 316         // Load template
 317         LOAD_TEMPLATE("admin_edit_admins");
 318 }
 319
 320 // Delete given admin accounts
 321 function ADMINS_DELETE_ADMIN_ACCOUNTS ($POST) {
 322         // Check if this account is the last one which cannot be deleted...
 323         $result_main = SQL_QUERY("SELECT id FROM "._MYSQL_PREFIX."_admins", __FILE__, __LINE__);
 324         $accounts = SQL_NUMROWS($result_main);
 325         SQL_FREERESULT($result_main);
 326         if ($accounts > 1) {
 327                 // Delete accounts
 328                 $SW = 2; $OUT = "";
 329                 foreach ($POST['sel'] as $id => $sel) {
 330                         // Secure ID number
 331                         $id = bigintval($id);
 332
 333                         // Get the admin's data
 334                         $result = SQL_QUERY_ESC("SELECT login, email, default_acl AS mode, la_mode FROM "._MYSQL_PREFIX."_admins WHERE id=%s LIMIT 1",
 335                          array($id), __FILE__, __LINE__);
 336                         if (SQL_NUMROWS($result) == 1) {
 337                                 // Entry found
 338                                 $content = SQL_FETCHARRAY($result);
 339                                 SQL_FREERESULT($result);
 340                                 $eval = "\$content['mode'] = ADMINS_".strtoupper($content['mode'])."_MODE;";
 341                                 eval($eval);
 342                                 $eval = "\$content['la_mode'] = ADMINS_".strtoupper($content['la_mode'])."_LA_SETTING;";
 343                                 eval($eval);
 344
 345                                 // Prepare some more data
 346                                 $content['sw'] = $SW;
 347                                 $content['id'] = $id;
 348
 349                                 // Load row template and switch color
 350                                 $OUT .= LOAD_TEMPLATE("admin_del_admins_row", true, $content);
 351                                 $SW = 3 - $SW;
 352                         }
 353                 }
 354                 define('__ADMINS_ROWS', $OUT);
 355
 356                 // Load template
 357                 LOAD_TEMPLATE("admin_del_admins");
 358         } else {
 359                 // Cannot delete last account!
 360                 LOAD_TEMPLATE("admin_settings_saved", false, ADMIN_ADMINS_CANNOT_DELETE_LAST);
 361         }
 362 }
 363
 364 // Remove the given accounts
 365 function ADMINS_REMOVE_ADMIN_ACCOUNTS ($POST) {
 366         // Begin removal
 367         $cache_update = 0;
 368         foreach ($POST['sel'] as $id => $del) {
 369                 // Secure ID number
 370                 $id = bigintval($id);
 371
 372                 // Delete only when it's not your own account!
 373                 if (($del == 1) && (GET_ADMIN_ID(get_session('admin_login')) != $id)) {
 374                         // Rewrite his tasks to all admins
 375                         $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_task_system SET assigned_admin=0 WHERE assigned_admin=%s",
 376                          array($id), __FILE__, __LINE__);
 377
 378                         // Remove account
 379                         $result = SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM "._MYSQL_PREFIX."_admins WHERE id=%s LIMIT 1",
 380                          array($id), __FILE__, __LINE__);
 381
 382                         // Purge cache
 383                         CACHE_PURGE_ADMIN_MENU($id);
 384                         $cache_update = "1";
 385                 }
 386         }
 387
 388         // Remove cache if cache system is activated
 389         if ((EXT_IS_ACTIVE("cache")) && ($cache_update == "1")) {
 390                 if ($cacheInstance->cache_file("admins", true)) $cacheInstance->cache_destroy();
 391         }
 392 }
 393
 394 // List all admin accounts
 395 function ADMINS_LIST_ADMIN_ACCOUNTS() {
 396         // Select all admin accounts
 397         $result = SQL_QUERY("SELECT id, login, email, default_acl AS mode, la_mode FROM "._MYSQL_PREFIX."_admins ORDER BY login ASC", __FILE__, __LINE__);
 398         $SW = 2; $OUT = "";
 399         while ($content = SQL_FETCHARRAY($result)) {
 400                 // Compile some variables
 401                 $eval = "\$content['mode'] = ADMINS_".strtoupper($content['mode'])."_MODE;";
 402                 eval($eval);
 403                 $eval = "\$content['la_mode'] = ADMINS_".strtoupper($content['la_mode'])."_LA_SETTING;";
 404                 eval($eval);
 405
 406                 // Prepare some more data
 407                 $content['sw']         = $SW;
 408                 $content['email_link'] = CREATE_EMAIL_LINK($content['id']);
 409
 410                 // Load row template and switch color
 411                 $OUT .= LOAD_TEMPLATE("admin_list_admins_row", true, $content);
 412                 $SW = 3 - $SW;
 413         }
 414
 415         // Free memory
 416         SQL_FREERESULT($result);
 417         define('__ADMINS_ROWS', $OUT);
 418
 419         // Load template
 420         LOAD_TEMPLATE("admin_list_admins");
 421 }
 422
 423 //
 424 ?>