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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   * @package MantisBT
  19   * @copyright Copyright (C) 2000 - 2002  Kenzaburo Ito - kenito@300baud.org
  20   * @copyright Copyright (C) 2002 - 2010  MantisBT Team - mantisbt-dev@lists.sourceforge.net
  21   * @link http://www.mantisbt.org
  22   *
  23   * @uses core.php
  24   * @uses access_api.php
  25   * @uses authentication_api.php
  26   * @uses bug_api.php
  27   * @uses compress_api.php
  28   * @uses config_api.php
  29   * @uses constant_inc.php
  30   * @uses gpc_api.php
  31   * @uses relationship_graph_api.php
  32   */
  33  
  34  require_once ( 'core.php' );
  35  require_api( 'access_api.php' );
  36  require_api( 'authentication_api.php' );
  37  require_api( 'bug_api.php' );
  38  require_api( 'compress_api.php' );
  39  require_api( 'config_api.php' );
  40  require_api( 'constant_inc.php' );
  41  require_api( 'gpc_api.php' );
  42  require_api( 'relationship_graph_api.php' );
  43  
  44  # If relationship graphs were made disabled, we disallow any access to
  45  # this script.
  46  
  47  auth_ensure_user_authenticated();
  48  
  49  if ( ON != config_get( 'relationship_graph_enable' ) )
  50      access_denied();
  51  
  52  $f_bug_id        = gpc_get_int( 'bug_id' );
  53  $f_type            = gpc_get_string( 'graph', 'relation' );
  54  $f_orientation    = gpc_get_string( 'orientation', config_get( 'relationship_graph_orientation' ) );
  55  
  56  access_ensure_bug_level( VIEWER, $f_bug_id );
  57  
  58  $t_bug = bug_get( $f_bug_id, true );
  59  
  60  compress_enable();
  61  
  62  $t_graph_relation = ( 'relation' == $f_type );
  63  $t_graph_horizontal = ( 'horizontal' == $f_orientation );
  64  
  65  if ( $t_graph_relation )
  66      $t_graph = relgraph_generate_rel_graph( $f_bug_id, $t_bug );
  67  else
  68      $t_graph = relgraph_generate_dep_graph( $f_bug_id, $t_bug, $t_graph_horizontal );
  69  
  70  relgraph_output_image( $t_graph );