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   1  <?php
   2  # MantisBT - A PHP based bugtracking system
   3  
   4  # MantisBT is free software: you can redistribute it and/or modify
   5  # it under the terms of the GNU General Public License as published by
   6  # the Free Software Foundation, either version 2 of the License, or
   7  # (at your option) any later version.
   8  #
   9  # MantisBT is distributed in the hope that it will be useful,
  10  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  # GNU General Public License for more details.
  13  #
  14  # You should have received a copy of the GNU General Public License
  15  # along with MantisBT.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * CALLERS
  19   * This page is called from:
  20   * - account_prefs_inc.php
  21   *
  22   * EXPECTED BEHAVIOUR
  23   * - Reset the user's preferences to default values
  24   * - Redirect to account_prefs_page.php or another page, if given
  25   *
  26   * CALLS
  27   * This page conditionally redirects upon completion
  28   *
  29   * RESTRICTIONS & PERMISSIONS
  30   * - User must be authenticated
  31   *    - User must not be protected
  32   *
  33   * @package MantisBT
  34   * @copyright Copyright (C) 2000 - 2002  Kenzaburo Ito - kenito@300baud.org
  35   * @copyright Copyright (C) 2002 - 2011  MantisBT Team - mantisbt-dev@lists.sourceforge.net
  36   * @link http://www.mantisbt.org
  37   *
  38   * @uses core.php
  39   * @uses access_api.php
  40   * @uses authentication_api.php
  41   * @uses config_api.php
  42   * @uses form_api.php
  43   * @uses gpc_api.php
  44   * @uses print_api.php
  45   * @uses string_api.php
  46   * @uses user_api.php
  47   * @uses user_pref_api.php
  48   */
  49  
  50  /**
  51   * MantisBT Core API's
  52   */
  53  require_once ( 'core.php' );
  54  require_api( 'access_api.php' );
  55  require_api( 'authentication_api.php' );
  56  require_api( 'config_api.php' );
  57  require_api( 'form_api.php' );
  58  require_api( 'gpc_api.php' );
  59  require_api( 'print_api.php' );
  60  require_api( 'string_api.php' );
  61  require_api( 'user_api.php' );
  62  require_api( 'user_pref_api.php' );
  63  
  64  #============ Parameters ============
  65  $f_user_id = gpc_get_int( 'user_id' );
  66  $f_redirect_url    = string_sanitize_url( gpc_get_string( 'redirect_url', 'account_prefs_page.php' ) );
  67  
  68  #============ Permissions ============
  69  form_security_validate( 'account_prefs_reset' );
  70  
  71  auth_ensure_user_authenticated();
  72  
  73  user_ensure_exists( $f_user_id );
  74  
  75  $t_user = user_get_row( $f_user_id );
  76  
  77  # This page is currently called from the manage_* namespace and thus we
  78  # have to allow authorised users to update the accounts of other users.
  79  # TODO: split this functionality into manage_user_prefs_reset.php
  80  if ( auth_get_current_user_id() != $f_user_id ) {
  81      access_ensure_global_level( config_get( 'manage_user_threshold' ) );
  82      access_ensure_global_level( $t_user['access_level'] );
  83  } else {
  84      # Protected users should not be able to update the preferences of their
  85      # user account. The anonymous user is always considered a protected
  86      # user and hence will also not be allowed to update preferences.
  87      user_ensure_unprotected( $f_user_id );
  88  }
  89  
  90  user_pref_delete( $f_user_id );
  91  
  92  form_security_purge( 'account_prefs_reset' );
  93  
  94  print_header_redirect( $f_redirect_url, true, true );