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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   * This file turns monitoring on or off for a bug for the current user
  19   *
  20   * @package MantisBT
  21   * @copyright Copyright (C) 2000 - 2002  Kenzaburo Ito - kenito@300baud.org
  22   * @copyright Copyright (C) 2002 - 2011  MantisBT Team - mantisbt-dev@lists.sourceforge.net
  23   * @link http://www.mantisbt.org
  24   *
  25   * @uses core.php
  26   * @uses access_api.php
  27   * @uses authentication_api.php
  28   * @uses bug_api.php
  29   * @uses config_api.php
  30   * @uses constant_inc.php
  31   * @uses error_api.php
  32   * @uses form_api.php
  33   * @uses gpc_api.php
  34   * @uses helper_api.php
  35   * @uses print_api.php
  36   * @uses user_api.php
  37   * @uses utility_api.php
  38   */
  39  
  40  /**
  41   * MantisBT Core API's
  42   */
  43  require_once ( 'core.php' );
  44  require_api( 'access_api.php' );
  45  require_api( 'authentication_api.php' );
  46  require_api( 'bug_api.php' );
  47  require_api( 'config_api.php' );
  48  require_api( 'constant_inc.php' );
  49  require_api( 'error_api.php' );
  50  require_api( 'form_api.php' );
  51  require_api( 'gpc_api.php' );
  52  require_api( 'helper_api.php' );
  53  require_api( 'print_api.php' );
  54  require_api( 'user_api.php' );
  55  require_api( 'utility_api.php' );
  56  
  57  form_security_validate( 'bug_monitor_add' );
  58  
  59  $f_bug_id = gpc_get_int( 'bug_id' );
  60  $t_bug = bug_get( $f_bug_id, true );
  61  $f_username = gpc_get_string( 'username', '' );
  62  
  63  $t_logged_in_user_id = auth_get_current_user_id();
  64  
  65  if ( is_blank( $f_username ) ) {
  66      $t_user_id = $t_logged_in_user_id;
  67  } else {
  68      $t_user_id = user_get_id_by_name( $f_username );
  69      if ( $t_user_id === false ) {
  70          $t_user_id = user_get_id_by_realname( $f_username );
  71  
  72          if ( $t_user_id === false ) {
  73              error_parameters( $f_username );
  74              trigger_error( ERROR_USER_BY_NAME_NOT_FOUND, E_USER_ERROR );
  75          }
  76      }
  77  }
  78  
  79  if ( user_is_anonymous( $t_user_id ) ) {
  80      trigger_error( ERROR_PROTECTED_ACCOUNT, E_USER_ERROR );
  81  }
  82  
  83  bug_ensure_exists( $f_bug_id );
  84  
  85  if( $t_bug->project_id != helper_get_current_project() ) {
  86      # in case the current project is not the same project of the bug we are viewing...
  87      # ... override the current project. This to avoid problems with categories and handlers lists etc.
  88      $g_project_override = $t_bug->project_id;
  89  }
  90  
  91  if ( $t_logged_in_user_id == $t_user_id ) {
  92      access_ensure_bug_level( config_get( 'monitor_bug_threshold' ), $f_bug_id );
  93  } else {
  94      access_ensure_bug_level( config_get( 'monitor_add_others_bug_threshold' ), $f_bug_id );
  95  }
  96  
  97  bug_monitor( $f_bug_id, $t_user_id );
  98  
  99  form_security_purge( 'bug_monitor_add' );
 100  
 101  print_successful_redirect_to_bug( $f_bug_id );