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         // If action is login or logout allow allways!
  43         $default = "allow";
  44         if (($act == "login") || ($act == "logout")) return true;
  45
  46         // Default is deny
  47         $ret = false;
  48
  49         // Get admin's ID
  50         $aid = GET_CURRENT_ADMIN_ID();
  51
  52         // Get admin's defult access right
  53         $default = GET_ADMIN_DEFAULT_ACL($aid);
  54
  55         if (!empty($wht)) {
  56                 // Check for parent menu:
  57                 // First get it's action value
  58                 $parent_action = GET_ACTION("admin", $wht);
  59
  60                 // Check with this function...
  61                 $parent = ADMINS_CHECK_ACL($parent_action, "");
  62         } else {
  63                 // Anything else is true!
  64                 $parent = false;
  65         }
  66
  67         // Shall I test for a main or sub menu? (action or what?)
  68         $lines = 0; $acl_mode = "failed";
  69         if (GET_EXT_VERSION("cache") >= "0.1.2") {
  70                 // Load only from array when there are lines!
  71                 if ((isset($GLOBALS['cache_array']['admin_acls'])) && (is_array($GLOBALS['cache_array']['admin_acls'])) && (count($GLOBALS['cache_array']['admin_acls']) > 0)) {
  72                         // Load ACL from array
  73                         foreach ($GLOBALS['cache_array']['admin_acls']['admin_id'] as $id => $aid_acls) {
  74                                 if ($aid == $aid_acls) {
  75                                         // Okay, one line was found!
  76                                         if ((!empty($act)) && ($GLOBALS['cache_array']['admin_acls']['action_menu'][$id] == $act)) {
  77                                                 // Main menu line found
  78                                                 $acl_mode = $GLOBALS['cache_array']['admin_acls']['access_mode'][$id];
  79                                                 $lines = 1;
  80                                         }
  81                                          elseif ((!empty($wht)) && ($GLOBALS['cache_array']['admin_acls']['what_menu'][$id] == $wht)) {
  82                                                 // Check sub menu
  83                                                 $acl_mode = $GLOBALS['cache_array']['admin_acls']['access_mode'][$id];
  84                                                 $lines = 1;
  85                                         }
  86                                         if ($lines == 1) {
  87                                                 // Count cache hits
  88                                                 incrementConfigEntry('cache_hits');
  89                                                 break;
  90                                         }
  91                                 }
  92                         }
  93
  94                         // No ACL found?
  95                         if ($acl_mode == "failed") {
  96                                 $acl_mode = "";
  97                                 $lines = 0;
  98                         }
  99                 } else {
 100                         // No lines here
 101                         $lines = 0;
 102                 }
 103         } else {
 104                 // Old version, so load it from database
 105                 if (!empty($act))
 106                 {
 107                         // Main menu
 108                         $result = SQL_QUERY_ESC("SELECT access_mode FROM `{!_MYSQL_PREFIX!}_admins_acls` WHERE admin_id=%s AND action_menu='%s' LIMIT 1",
 109                          array(bigintval($aid), $act), __FUNCTION__, __LINE__);
 110                 } elseif (!empty($wht)) {
 111                         // Sub menu
 112                         $result = SQL_QUERY_ESC("SELECT access_mode FROM `{!_MYSQL_PREFIX!}_admins_acls` WHERE admin_id=%s AND what_menu='%s' LIMIT 1",
 113                          array(bigintval($aid), $wht), __FUNCTION__, __LINE__);
 114                 }
 115
 116                 // Get number of lines
 117                 $lines = SQL_NUMROWS($result);
 118
 119                 // Load ACL
 120                 list($acl_mode) = SQL_FETCHROW($result);
 121                 SQL_FREERESULT($result);
 122         }
 123
 124         // Check ACL and (maybe) allow
 125         if ((($default == "allow") && ($lines == 0)) || (($default == "deny") && ($lines == "1") && ($acl_mode == "allow")) || (($lines == 0) && ($parent))) $ret = true;
 126
 127         // Return value
 128         return $ret;
 129 }
 130
 131 // Create email link to admins's account
 132 function ADMINS_CREATE_EMAIL_LINK ($email, $mod="admin") {
 133         $locked = " AND `status`='CONFIRMED'";
 134         if (IS_ADMIN()) $locked = "";
 135         if (strpos("@", $email) > 0) {
 136                 // Create email link
 137                 $result = SQL_QUERY_ESC("SELECT id
 138 FROM `{!_MYSQL_PREFIX!}_admins`
 139 WHERE email='%s'".$locked." LIMIT 1",
 140  array($email), __FUNCTION__, __LINE__);
 141
 142                 // Is there an entry?
 143                 if (SQL_NUMROWS($result) == 1) {
 144                         // Load userid
 145                         list($uid) = SQL_FETCHROW($result);
 146
 147                         // Rewrite email address to contact link
 148                         $email = "{!URL!}/modules.php?module=".$mod."&amp;what=user_contct&amp;uid=".bigintval($uid);
 149                 }
 150
 151                 // Free memory
 152                 SQL_FREERESULT($result);
 153         } elseif (bigintval($email) > 0) {
 154                 // Direct ID given
 155                 $email = "{!URL!}/modules.php?module=".$mod."&amp;what=admins_contct&amp;admin=".bigintval($email);
 156         }
 157
 158         // Return rewritten (?) email address
 159         return $email;
 160 }
 161
 162 // Change a lot admin account
 163 function ADMINS_CHANGE_ADMIN_ACCOUNT($POST) {
 164         // Begin the update
 165         $cache_update = 0;
 166         foreach ($POST['login'] as $id => $login) {
 167                 // Secure ID number
 168                 $id = bigintval($id);
 169
 170                 // When both passwords match update admin account
 171                 if ($POST['pass1'][$id] == $POST['pass2'][$id]) {
 172                         // Save only when both passwords are the same (also when they are empty)
 173                         $ADD = ""; $cache_update = "1";
 174
 175                         // Generate hash
 176                         $hash = generateHash($POST['pass1'][$id]);
 177
 178                         // Save password when set
 179                         if (!empty($POST['pass1'][$id])) $ADD = sprintf(", password='%s'", SQL_ESCAPE($hash));
 180
 181                         // Get admin's ID
 182                         $aid = GET_CURRENT_ADMIN_ID();
 183                         $salt = substr(GET_ADMIN_HASH($aid), 0, -40);
 184
 185                         // Rewrite cookie when it's own account
 186                         if ($aid == $id) {
 187                                 // Set timeout cookie
 188                                 set_session('admin_last', time());
 189
 190                                 if ($login != get_session('admin_login')) {
 191                                         // Update login cookie
 192                                         set_session('admin_login', $login);
 193
 194                                         // Update password cookie as well?
 195                                         if (!empty($ADD)) set_session('admin_md5', $hash);
 196                                 } elseif (generateHash($POST['pass1'][$id], $salt) != get_session('admin_md5')) {
 197                                         // Update password cookie
 198                                         set_session('admin_md5', $hash);
 199                                 }
 200                         } // END - if
 201
 202                         // Get default ACL from admin to check if we can allow him to change the default ACL
 203                         $default = GET_ADMIN_DEFAULT_ACL(GET_CURRENT_ADMIN_ID());
 204
 205                         // Update admin account
 206                         if ($default == "allow") {
 207                                 // Allow changing default ACL
 208                                 SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_admins` SET
 209 login='%s'".$ADD.",
 210 email='%s',
 211 default_acl='%s',
 212 la_mode='%s'
 213 WHERE id=%s LIMIT 1",
 214                                         array(
 215                                                 $login,
 216                                                 $POST['email'][$id],
 217                                                 $POST['mode'][$id],
 218                                                 $POST['la_mode'][$id],
 219                                                 $id
 220                                         ), __FUNCTION__, __LINE__);
 221                         } else {
 222                                 // Do not allow it here
 223                                 SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_admins` SET
 224 login='%s'".$ADD.",
 225 email='%s',
 226 la_mode='%s'
 227 WHERE id=%s LIMIT 1",
 228                                         array(
 229                                                 $login,
 230                                                 $POST['email'][$id],
 231                                                 $POST['la_mode'][$id],
 232                                                 $id
 233                                         ), __FUNCTION__, __LINE__);
 234                         }
 235
 236                         // Purge cache
 237                         CACHE_PURGE_ADMIN_MENU($id);
 238
 239                         // Admin account saved
 240                         $MSG = ADMIN_ACCOUNT_SAVED;
 241                 } else {
 242                         // Passwords did not match
 243                         $MSG = ADMINS_ERROR_PASS_MISMATCH;
 244                 }
 245
 246                 // Display message
 247                 if (!empty($MSG)) {
 248                         LOAD_TEMPLATE("admin_settings_saved", false, $MSG);
 249                 }
 250         }
 251
 252         // Remove cache file
 253         RUN_FILTER('post_admin_edited', REQUEST_POST_ARRAY());
 254 }
 255
 256 // Make admin accounts editable
 257 function ADMINS_EDIT_ADMIN_ACCOUNTS ($POST) {
 258         // "Resolve" current's admin access mode
 259         $currMode = GET_ADMIN_DEFAULT_ACL(GET_CURRENT_ADMIN_ID());
 260
 261         // Begin the edit loop
 262         $SW = 2; $OUT = "";
 263         foreach ($POST['sel'] as $id => $sel) {
 264                 // Secure ID number
 265                 $id = bigintval($id);
 266
 267                 // Get the admin's data
 268                 $result = SQL_QUERY_ESC("SELECT login, email, default_acl AS mode, la_mode FROM `{!_MYSQL_PREFIX!}_admins` WHERE id=%s LIMIT 1",
 269                         array($id), __FUNCTION__, __LINE__);
 270                 if ((SQL_NUMROWS($result) == 1) && ($sel == 1)) {
 271                         // Entry found
 272                         $content = SQL_FETCHARRAY($result);
 273                         SQL_FREERESULT($result);
 274
 275                         // Prepare some more data for the template
 276                         $content['sw'] = $SW;
 277                         $content['id'] = $id;
 278
 279                         // Shall we allow changing default ACL?
 280                         if ($currMode == "allow") {
 281                                 // Allow chaning it
 282                                 $content['mode']    = ADD_OPTION_LINES("/ARRAY/", array("allow", "deny"), array(constant('ADMINS_ALLOW_MODE'), constant('ADMINS_DENY_MODE')), $content['mode']);
 283                         } else {
 284                                 // Don't allow it
 285                                 $content['mode'] = "&nbsp;";
 286                         }
 287                         $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']);
 288
 289                         // Load row template and switch color
 290                         $OUT .= LOAD_TEMPLATE("admin_edit_admins_row", true, $content);
 291                         $SW = 3 - $SW;
 292                 }
 293         }
 294         define('__ADMINS_ROWS', $OUT);
 295
 296         // Load template
 297         LOAD_TEMPLATE("admin_edit_admins");
 298 }
 299
 300 // Delete given admin accounts
 301 function ADMINS_DELETE_ADMIN_ACCOUNTS ($POST) {
 302         // Check if this account is the last one which cannot be deleted...
 303         $result_main = SQL_QUERY("SELECT id FROM `{!_MYSQL_PREFIX!}_admins`", __FUNCTION__, __LINE__);
 304         $accounts = SQL_NUMROWS($result_main);
 305         SQL_FREERESULT($result_main);
 306         if ($accounts > 1) {
 307                 // Delete accounts
 308                 $SW = 2; $OUT = "";
 309                 foreach ($POST['sel'] as $id => $sel) {
 310                         // Secure ID number
 311                         $id = bigintval($id);
 312
 313                         // Get the admin's data
 314                         $result = SQL_QUERY_ESC("SELECT login, email, default_acl AS mode, la_mode FROM `{!_MYSQL_PREFIX!}_admins` WHERE id=%s LIMIT 1",
 315                          array($id), __FUNCTION__, __LINE__);
 316                         if (SQL_NUMROWS($result) == 1) {
 317                                 // Entry found
 318                                 $content = SQL_FETCHARRAY($result);
 319                                 SQL_FREERESULT($result);
 320                                 $content['mode'] = constant('ADMINS_'.strtoupper($content['mode']).'_MODE');
 321                                 $content['la_mode'] = constant('ADMINS_'.strtoupper($content['la_mode']).'_LA_SETTING');
 322
 323                                 // Prepare some more data
 324                                 $content['sw'] = $SW;
 325                                 $content['id'] = $id;
 326
 327                                 // Load row template and switch color
 328                                 $OUT .= LOAD_TEMPLATE("admin_del_admins_row", true, $content);
 329                                 $SW = 3 - $SW;
 330                         }
 331                 }
 332                 define('__ADMINS_ROWS', $OUT);
 333
 334                 // Load template
 335                 LOAD_TEMPLATE("admin_del_admins");
 336         } else {
 337                 // Cannot delete last account!
 338                 LOAD_TEMPLATE("admin_settings_saved", false, getMessage('ADMIN_ADMINS_CANNOT_DELETE_LAST'));
 339         }
 340 }
 341
 342 // Remove the given accounts
 343 function ADMINS_REMOVE_ADMIN_ACCOUNTS ($POST) {
 344         // Begin removal
 345         $cache_update = 0;
 346         foreach ($POST['sel'] as $id => $del) {
 347                 // Secure ID number
 348                 $id = bigintval($id);
 349
 350                 // Delete only when it's not your own account!
 351                 if (($del == 1) && (GET_CURRENT_ADMIN_ID() != $id)) {
 352                         // Rewrite his tasks to all admins
 353                         SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_task_system` SET assigned_admin=0 WHERE assigned_admin=%s",
 354                          array($id), __FUNCTION__, __LINE__);
 355
 356                         // Remove account
 357                         SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_admins` WHERE id=%s LIMIT 1",
 358                                 array($id), __FUNCTION__, __LINE__);
 359
 360                         // Purge cache
 361                         CACHE_PURGE_ADMIN_MENU($id);
 362                         $cache_update = "1";
 363                 }
 364         }
 365
 366         // Remove cache if cache system is activated
 367         RUN_FILTER('post_admin_deleted', REQUEST_POST_ARRAY());
 368 }
 369
 370 // List all admin accounts
 371 function ADMINS_LIST_ADMIN_ACCOUNTS() {
 372         // Select all admin accounts
 373         $result = SQL_QUERY("SELECT id, login, email, default_acl AS mode, la_mode FROM `{!_MYSQL_PREFIX!}_admins` ORDER BY login ASC", __FUNCTION__, __LINE__);
 374         $SW = 2; $OUT = "";
 375         while ($content = SQL_FETCHARRAY($result)) {
 376                 // Compile some variables
 377                 $content['mode'] = constant('ADMINS_'.strtoupper($content['mode']).'_MODE');
 378                 $content['la_mode'] = constant('ADMINS_'.strtoupper($content['la_mode']).'_LA_SETTING');
 379
 380                 // Prepare some more data
 381                 $content['sw']         = $SW;
 382                 $content['email_link'] = CREATE_EMAIL_LINK($content['id']);
 383
 384                 // Load row template and switch color
 385                 $OUT .= LOAD_TEMPLATE("admin_list_admins_row", true, $content);
 386                 $SW = 3 - $SW;
 387         }
 388
 389         // Free memory
 390         SQL_FREERESULT($result);
 391         define('__ADMINS_ROWS', $OUT);
 392
 393         // Load template
 394         LOAD_TEMPLATE("admin_list_admins");
 395 }
 396
 397 // Filter for adding extra data to the query
 398 function FILTER_ADD_EXTRA_SQL_DATA ($ADD = "") {
 399         // Is the admins extension updated? (should be!)
 400         if (GET_EXT_VERSION("admins") >= "0.3")   $ADD .= ", default_acl AS def_acl";
 401         if (GET_EXT_VERSION("admins") >= "0.6.7") $ADD .= ", la_mode";
 402         if (GET_EXT_VERSION("admins") >= "0.7.2") $ADD .= ", login_failures, UNIX_TIMESTAMP(last_failure) AS last_failure";
 403
 404         // Return it
 405         return $ADD;
 406 }
 407
 408 //
 409 ?>