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  * $Revision::                                                        $ *
  14  * $Date::                                                            $ *
  15  * $Tag:: 0.2.1-FINAL                                                 $ *
  16  * $Author::                                                          $ *
  17  * Needs to be in all Files and every File needs "svn propset           *
  18  * svn:keywords Date Revision" (autoprobset!) at least!!!!!!            *
  19  * -------------------------------------------------------------------- *
  20  * Copyright (c) 2003 - 2008 by Roland Haeder                           *
  21  * For more information visit: http://www.mxchange.org                  *
  22  *                                                                      *
  23  * This program is free software; you can redistribute it and/or modify *
  24  * it under the terms of the GNU General Public License as published by *
  25  * the Free Software Foundation; either version 2 of the License, or    *
  26  * (at your option) any later version.                                  *
  27  *                                                                      *
  28  * This program is distributed in the hope that it will be useful,      *
  29  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  30  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  31  * GNU General Public License for more details.                         *
  32  *                                                                      *
  33  * You should have received a copy of the GNU General Public License    *
  34  * along with this program; if not, write to the Free Software          *
  35  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
  36  * MA  02110-1301  USA                                                  *
  37  ************************************************************************/
  38
  39 // Some security stuff...
  40 if (!defined('__SECURITY')) {
  41         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
  42         require($INC);
  43 }
  44
  45 // Check ACL for menu combination
  46 function ADMINS_CHECK_ACL($act, $wht) {
  47         // If action is login or logout allow allways!
  48         $default = "allow";
  49         if (($act == "login") || ($act == "logout")) return true;
  50
  51         // Default is deny
  52         $ret = false;
  53
  54         // Get admin's ID
  55         $aid = GET_CURRENT_ADMIN_ID();
  56
  57         // Get admin's defult access right
  58         $default = GET_ADMIN_DEFAULT_ACL($aid);
  59
  60         if (!empty($wht)) {
  61                 // Check for parent menu:
  62                 // First get it's action value
  63                 $parent_action = GET_ACTION("admin", $wht);
  64
  65                 // Check with this function...
  66                 $parent = ADMINS_CHECK_ACL($parent_action, "");
  67         } else {
  68                 // Anything else is true!
  69                 $parent = false;
  70         }
  71
  72         // Shall I test for a main or sub menu? (action or what?)
  73         $acl_mode = "failed";
  74         if ((GET_EXT_VERSION("cache") >= "0.1.2") && (count($GLOBALS['cache_array']['admin_acls']) > 0)) {
  75                 // Lookup in cache
  76                 if ((!empty($act)) && (isset($GLOBALS['cache_array']['admin_acls']['action_menu'][$aid])) & ($GLOBALS['cache_array']['admin_acls']['action_menu'][$aid] == $act)) {
  77                         // Main menu line found
  78                         $acl_mode = $GLOBALS['cache_array']['admin_acls']['access_mode'][$aid];
  79
  80                         // Count cache hits
  81                         incrementConfigEntry('cache_hits');
  82                 } elseif ((!empty($wht)) && (isset($GLOBALS['cache_array']['admin_acls']['what_menu'][$aid])) && ($GLOBALS['cache_array']['admin_acls']['what_menu'][$aid] == $wht)) {
  83                         // Check sub menu
  84                         $acl_mode = $GLOBALS['cache_array']['admin_acls']['access_mode'][$aid];
  85
  86                         // Count cache hits
  87                         incrementConfigEntry('cache_hits');
  88                 }
  89         } elseif (!EXT_IS_ACTIVE("cache")) {
  90                 // Old version, so load it from database
  91                 if (!empty($act)) {
  92                         // Main menu
  93                         $result = SQL_QUERY_ESC("SELECT access_mode FROM `{!_MYSQL_PREFIX!}_admins_acls` WHERE admin_id=%s AND action_menu='%s' LIMIT 1",
  94                                 array(bigintval($aid), $act), __FUNCTION__, __LINE__);
  95                 } elseif (!empty($wht)) {
  96                         // Sub menu
  97                         $result = SQL_QUERY_ESC("SELECT access_mode FROM `{!_MYSQL_PREFIX!}_admins_acls` WHERE admin_id=%s AND what_menu='%s' LIMIT 1",
  98                                 array(bigintval($aid), $wht), __FUNCTION__, __LINE__);
  99                 }
 100
 101                 // Is an entry found?
 102                 if (SQL_NUMROWS($result) == 1) {
 103                         // Load ACL
 104                         list($acl_mode) = SQL_FETCHROW($result);
 105                 } // END - if
 106
 107                 // Free memory
 108                 SQL_FREERESULT($result);
 109         }
 110
 111         // Check ACL and (maybe) allow
 112         if (($default == "allow") || (($default == "deny") && ($acl_mode == "allow")) || ($parent === true)) {
 113                 // Access is granted
 114                 $ret = true;
 115         } // END - if
 116
 117         // Return value
 118         return $ret;
 119 }
 120
 121 // Create email link to admins's account
 122 function ADMINS_CREATE_EMAIL_LINK ($email, $mod="admin") {
 123         if (strpos("@", $email) > 0) {
 124                 // Create email link
 125                 $result = SQL_QUERY_ESC("SELECT id
 126 FROM `{!_MYSQL_PREFIX!}_admins`
 127 WHERE email='%s' LIMIT 1",
 128                         array($email), __FUNCTION__, __LINE__);
 129
 130                 // Is there an entry?
 131                 if (SQL_NUMROWS($result) == 1) {
 132                         // Load userid
 133                         list($uid) = SQL_FETCHROW($result);
 134
 135                         // Rewrite email address to contact link
 136                         $email = "{!URL!}/modules.php?module=".$mod."&amp;what=user_contct&amp;uid=".bigintval($uid);
 137                 }
 138
 139                 // Free memory
 140                 SQL_FREERESULT($result);
 141         } elseif ((is_int($email)) && ($email > 0)) {
 142                 // Direct ID given
 143                 $email = "{!URL!}/modules.php?module=".$mod."&amp;what=admins_contct&amp;admin=".bigintval($email);
 144         }
 145
 146         // Return rewritten (?) email address
 147         return $email;
 148 }
 149
 150 // Change a lot admin account
 151 function ADMINS_CHANGE_ADMIN_ACCOUNT($POST) {
 152         // Begin the update
 153         $cache_update = 0;
 154         foreach ($POST['login'] as $id => $login) {
 155                 // Secure ID number
 156                 $id = bigintval($id);
 157
 158                 // When both passwords match update admin account
 159                 if ($POST['pass1'][$id] == $POST['pass2'][$id]) {
 160                         // Save only when both passwords are the same (also when they are empty)
 161                         $add = ""; $cache_update = "1";
 162
 163                         // Generate hash
 164                         $hash = generateHash($POST['pass1'][$id]);
 165
 166                         // Save password when set
 167                         if (!empty($POST['pass1'][$id])) $add = sprintf(", password='%s'", SQL_ESCAPE($hash));
 168
 169                         // Get admin's ID
 170                         $aid = GET_CURRENT_ADMIN_ID();
 171                         $salt = substr(GET_ADMIN_HASH($aid), 0, -40);
 172
 173                         // Rewrite cookie when it's own account
 174                         if ($aid == $id) {
 175                                 // Set timeout cookie
 176                                 set_session('admin_last', time());
 177
 178                                 if ($login != get_session('admin_login')) {
 179                                         // Update login cookie
 180                                         set_session('admin_login', $login);
 181
 182                                         // Update password cookie as well?
 183                                         if (!empty($add)) set_session('admin_md5', $hash);
 184                                 } elseif (generateHash($POST['pass1'][$id], $salt) != get_session('admin_md5')) {
 185                                         // Update password cookie
 186                                         set_session('admin_md5', $hash);
 187                                 }
 188                         } // END - if
 189
 190                         // Get default ACL from admin to check if we can allow him to change the default ACL
 191                         $default = GET_ADMIN_DEFAULT_ACL(GET_CURRENT_ADMIN_ID());
 192
 193                         // Update admin account
 194                         if ($default == "allow") {
 195                                 // Allow changing default ACL
 196                                 SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_admins` SET
 197 login='%s'".$add.",
 198 email='%s',
 199 default_acl='%s',
 200 la_mode='%s'
 201 WHERE id=%s LIMIT 1",
 202                                         array(
 203                                                 $login,
 204                                                 $POST['email'][$id],
 205                                                 $POST['mode'][$id],
 206                                                 $POST['la_mode'][$id],
 207                                                 $id
 208                                         ), __FUNCTION__, __LINE__);
 209                         } else {
 210                                 // Do not allow it here
 211                                 SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_admins` SET
 212 login='%s'".$add.",
 213 email='%s',
 214 la_mode='%s'
 215 WHERE id=%s LIMIT 1",
 216                                         array(
 217                                                 $login,
 218                                                 $POST['email'][$id],
 219                                                 $POST['la_mode'][$id],
 220                                                 $id
 221                                         ), __FUNCTION__, __LINE__);
 222                         }
 223
 224                         // Purge cache
 225                         CACHE_PURGE_ADMIN_MENU($id);
 226
 227                         // Admin account saved
 228                         $message = ADMIN_ACCOUNT_SAVED;
 229                 } else {
 230                         // Passwords did not match
 231                         $message = ADMINS_ERROR_PASS_MISMATCH;
 232                 }
 233
 234                 // Display message
 235                 if (!empty($message)) {
 236                         LOAD_TEMPLATE("admin_settings_saved", false, $message);
 237                 }
 238         }
 239
 240         // Remove cache file
 241         runFilterChain('post_admin_edited', REQUEST_POST_ARRAY());
 242 }
 243
 244 // Make admin accounts editable
 245 function ADMINS_EDIT_ADMIN_ACCOUNTS ($POST) {
 246         // "Resolve" current's admin access mode
 247         $currMode = GET_ADMIN_DEFAULT_ACL(GET_CURRENT_ADMIN_ID());
 248
 249         // Begin the edit loop
 250         $OUT = ""; $SW = 2;
 251         foreach ($POST['sel'] as $id => $selected) {
 252                 // Secure ID number
 253                 $id = bigintval($id);
 254
 255                 // Get the admin's data
 256                 $result = SQL_QUERY_ESC("SELECT login, email, default_acl AS mode, la_mode FROM `{!_MYSQL_PREFIX!}_admins` WHERE id=%s LIMIT 1",
 257                         array($id), __FUNCTION__, __LINE__);
 258                 if ((SQL_NUMROWS($result) == 1) && ($selected == 1)) {
 259                         // Entry found
 260                         $content = SQL_FETCHARRAY($result);
 261                         SQL_FREERESULT($result);
 262
 263                         // Prepare some more data for the template
 264                         $content['sw'] = $SW;
 265                         $content['id'] = $id;
 266
 267                         // Shall we allow changing default ACL?
 268                         if ($currMode == "allow") {
 269                                 // Allow chaning it
 270                                 $content['mode']    = ADD_OPTION_LINES("/ARRAY/", array("allow", "deny"), array(constant('ADMINS_ALLOW_MODE'), constant('ADMINS_DENY_MODE')), $content['mode']);
 271                         } else {
 272                                 // Don't allow it
 273                                 $content['mode'] = "&nbsp;";
 274                         }
 275                         $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']);
 276
 277                         // Load row template and switch color
 278                         $OUT .= LOAD_TEMPLATE("admin_edit_admins_row", true, $content);
 279                         $SW = 3 - $SW;
 280                 }
 281         }
 282         define('__ADMINS_ROWS', $OUT);
 283
 284         // Load template
 285         LOAD_TEMPLATE("admin_edit_admins");
 286 }
 287
 288 // Delete given admin accounts
 289 function ADMINS_DELETE_ADMIN_ACCOUNTS ($POST) {
 290         // Check if this account is the last one which cannot be deleted...
 291         $result_main = SQL_QUERY("SELECT id FROM `{!_MYSQL_PREFIX!}_admins`", __FUNCTION__, __LINE__);
 292         $accounts = SQL_NUMROWS($result_main);
 293         SQL_FREERESULT($result_main);
 294         if ($accounts > 1) {
 295                 // Delete accounts
 296                 $OUT = ""; $SW = 2;
 297                 foreach ($POST['sel'] as $id => $selected) {
 298                         // Secure ID number
 299                         $id = bigintval($id);
 300
 301                         // Get the admin's data
 302                         $result = SQL_QUERY_ESC("SELECT login, email, default_acl AS mode, la_mode FROM `{!_MYSQL_PREFIX!}_admins` WHERE id=%s LIMIT 1",
 303                                 array($id), __FUNCTION__, __LINE__);
 304                         if (SQL_NUMROWS($result) == 1) {
 305                                 // Entry found
 306                                 $content = SQL_FETCHARRAY($result);
 307                                 SQL_FREERESULT($result);
 308                                 $content['mode'] = constant('ADMINS_'.strtoupper($content['mode']).'_MODE');
 309                                 $content['la_mode'] = constant('ADMINS_'.strtoupper($content['la_mode']).'_LA_SETTING');
 310
 311                                 // Prepare some more data
 312                                 $content['sw'] = $SW;
 313                                 $content['id'] = $id;
 314
 315                                 // Load row template and switch color
 316                                 $OUT .= LOAD_TEMPLATE("admin_del_admins_row", true, $content);
 317                                 $SW = 3 - $SW;
 318                         }
 319                 }
 320                 define('__ADMINS_ROWS', $OUT);
 321
 322                 // Load template
 323                 LOAD_TEMPLATE("admin_del_admins");
 324         } else {
 325                 // Cannot delete last account!
 326                 LOAD_TEMPLATE("admin_settings_saved", false, getMessage('ADMIN_ADMINS_CANNOT_DELETE_LAST'));
 327         }
 328 }
 329
 330 // Remove the given accounts
 331 function ADMINS_REMOVE_ADMIN_ACCOUNTS ($POST) {
 332         // Begin removal
 333         $cache_update = 0;
 334         foreach ($POST['sel'] as $id => $del) {
 335                 // Secure ID number
 336                 $id = bigintval($id);
 337
 338                 // Delete only when it's not your own account!
 339                 if (($del == 1) && (GET_CURRENT_ADMIN_ID() != $id)) {
 340                         // Rewrite his tasks to all admins
 341                         SQL_QUERY_ESC("UPDATE `{!_MYSQL_PREFIX!}_task_system` SET assigned_admin=0 WHERE assigned_admin=%s",
 342                          array($id), __FUNCTION__, __LINE__);
 343
 344                         // Remove account
 345                         SQL_QUERY_ESC("DELETE LOW_PRIORITY FROM `{!_MYSQL_PREFIX!}_admins` WHERE id=%s LIMIT 1",
 346                                 array($id), __FUNCTION__, __LINE__);
 347
 348                         // Purge cache
 349                         CACHE_PURGE_ADMIN_MENU($id);
 350                         $cache_update = "1";
 351                 }
 352         }
 353
 354         // Remove cache if cache system is activated
 355         runFilterChain('post_admin_deleted', REQUEST_POST_ARRAY());
 356 }
 357
 358 // List all admin accounts
 359 function ADMINS_LIST_ADMIN_ACCOUNTS() {
 360         // Select all admin accounts
 361         $result = SQL_QUERY("SELECT id, login, email, default_acl AS mode, la_mode FROM `{!_MYSQL_PREFIX!}_admins` ORDER BY login ASC", __FUNCTION__, __LINE__);
 362         $OUT = ""; $SW = 2;
 363         while ($content = SQL_FETCHARRAY($result)) {
 364                 // Compile some variables
 365                 $content['mode'] = constant('ADMINS_'.strtoupper($content['mode']).'_MODE');
 366                 $content['la_mode'] = constant('ADMINS_'.strtoupper($content['la_mode']).'_LA_SETTING');
 367
 368                 // Prepare some more data
 369                 $content['sw']         = $SW;
 370                 $content['email_link'] = CREATE_EMAIL_LINK($content['id']);
 371
 372                 // Load row template and switch color
 373                 $OUT .= LOAD_TEMPLATE("admin_list_admins_row", true, $content);
 374                 $SW = 3 - $SW;
 375         }
 376
 377         // Free memory
 378         SQL_FREERESULT($result);
 379         define('__ADMINS_ROWS', $OUT);
 380
 381         // Load template
 382         LOAD_TEMPLATE("admin_list_admins");
 383 }
 384
 385 // Filter for adding extra data to the query
 386 function FILTER_ADD_EXTRA_SQL_DATA ($add = "") {
 387         // Is the admins extension updated? (should be!)
 388         if (GET_EXT_VERSION("admins") >= "0.3")   $add .= ", default_acl AS def_acl";
 389         if (GET_EXT_VERSION("admins") >= "0.6.7") $add .= ", la_mode";
 390         if (GET_EXT_VERSION("admins") >= "0.7.2") $add .= ", login_failures, UNIX_TIMESTAMP(last_failure) AS last_failure";
 391
 392         // Return it
 393         return $add;
 394 }
 395
 396 //
 397 ?>